GRE Math Review 2 ALGEBRA - ETS Home

For example, if you pick the point Q with coordinates negative 2 comma negative 3, and substitute its coordinates into the equation you get negative 3 = 0.75 times negative 2, +, b. Then adding 0.75 times 2 to both sides of the equation yields b = negative 3, +, 0.75 times 2, or b = negative 1.5. ................
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