Variation Theory – Sequences and behaviour to enable ...



Solving Two-step Equations Predict what you think the answer will be and then work it out.ABC1)2x+3=211)7(x+2)=211)I think of a number. I multiply it by 5 then add 6. My answer is 21. Write an expression. Solve it to find my initial number.2)3 + 2x=212)3(x-3)=213)2x-3=213)2y+3=212)I think of a number. I multiply it by 6 then add 5. My answer is 21. Write an expression. Solve it to find my initial number.4)3 -2x=214)7(x+2)=425)2x+4=215)2(x+2)=213)2x5-5.5=6.56)2x+23=216)4(x+2)=424)2x-42=67)x2+3=217)5x-3.5=26.55)2(x-4)2=68)3x+3=218)x+42=65)I think of a number. I multiply it by 15 then add 15. My answer is 15. Write an expression. Solve it to find my initial number.?9)6x+3=219)2x+42=610)x4+3=2110)x7+3=216)I think of a number. I multiply it by 15 then add 15. My answer is -15. Write an expression. Solve it to find my initial number.?Solving Two Step Equations ANSWERSABC1)x=91)x=11)5x+6=21x=32)x=92)x=103)x=123)y=92)6x+5=21x=834)x=-94)x=45)x=8.55)x=8.53)x=306)x=-16)x=8.54)x=87)x=367)x=65)x=108)x=68)x=85)15x+15=15x=09)x=39)x=410)x=7210)x=1476)15x+15=-15x=-2 ................
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