When solving the equation 4(3x^2 +2)-9=8x^2+7. Emily wrote 4(3x + 2)=8x^2 + 16 as her first step. Which property justifies Emily

Question

4 years ago

13

When solving the equation 4(3x^2 +2)-9=8x^2+7. Emily wrote 4(3x + 2)=8x^2 + 16 as her first step. Which property justifies Emily

's first step? State a reason why1) Addition Property of Equality2)Commutative Property of Addition3) Multiplication Property of Equality4) Distributive Property of Multiplication Over Addition

Mathematics

1 answer:

vfiekz [6] · Answer 1 · 2021-12-01T00:14:22+03:00

vfiekz [6]4 years ago

6 0

Hello :
4(3x² +2)-9=8x²+7 = 4(3x^2 +2)-9 +9 =8x²+7 +9
= 4(3x² + 2)=8x² + 16
(State a reason why1) Addition Property of Equality)