Mrs. Howard's 7th Grade Math
Name______________________________________ Date__________ Period_________Chapter 6.1-6.5 Review6.1 Solving One Step Equations. Solve each equation. 1. a + 4 = 11 2. 6 = g + 8 3. x - 3 = -24. k + 8 = 3 5. j + 0 = 9 6. 12 + y = 157. h - 4 = 08. m - 7 = 1 9. w + 5 = 410. b - 28 = 33 11. 45 + f = 48 12. n + 7.1 = 8.613. -14 + t = 26 14. d - 3.03 = 2 15. 10 = z + 1516. c - 5.3 = -6.4 17. 512+p=712 18. –13=-56+uFor Exercises 19 and 20, write an equation. Then solve the equation.19. A cup of brewed tea has 54 milligrams less caffeine than a cup of brewed coffee. If a cup of tea has 66 milligrams of caffeine, how much caffeine is in a cup of coffee?44577001397000020. The sum of the measures of the angles of a trapezoid is 360°. Find the missing measure.6.2 Soling Two Step Equations. Solve each equation. 1. k-11=-3 2. 16b = 323. 72 = 12x 4. 42 = 14y5. x-16=1 6.-12k=-60 7. a13=0 8. –99=-99y9. h8=2 10. 15=y511. h3=-7 12. –1=x613. 9=m2 14. 5b=-5515. 2z=14 16.-3n=-4517. Lavonne sold 4 times as many raffle tickets as Kenneth. Lavonne sold 56 raffle tickets. Write and solve an equation to find how many tickets Kenneth sold.6.3 Solving Equations with Rational Coefficients. Solve each equation.1. -16 = 0.2b 2. 12.3 = 0.41x 3. 0.6h = 13.024. 1=x25 5. 0.9=0.4m 6. 23t=9 7. 37g=9 8. -28=45d 9. 38n=-1410. 25=45c 11. 23z=414 12. 56b=17813. 11.3y=4.52 14. 0.5y=19.5 15. 27.3=34y16. An architect needs to make a scale drawing of a home. The width w of the home in the drawing, in inches, is given by the equation 78w=6. What is the width of the home in the scale drawing?17. At a local shelter, 36 people volunteered to help prepare meals for disaster victims. If this represented 916 of the volunteers at the shelter, write and solve an equation to determine how many volunteers helped at the local shelter.6.4 & 6.5 Solving Two Step Equations.1. 4h+6=30 2. 27y+5=-9 3. -3t+6=04. -8+8g=56 5. 5k-7=-7 6. 19+13x=327. -15b-25=-2 8. 1n+1=11 9. 34f+5=-510. 5d-3.3=7.2 11. 3=0.2m-7 12. 1.3z+1.5=5.413. Kittens weigh about 100 grams when born and gain 7 to 15 grams per day. If a kitten weighed 100 grams at birth and gained 8 grams per day, in how many days will the kitten triple its weight?14. Room temperature ranges from 20°C to 25°C. Find the range of room temperature in °F. Use the formula F – 32 = 1.8C to convert from the Celsius scale to the Fahrenheit scale. ................
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