AIR MATH

Math Question

8 When solving the equation \( 4\left(3 x^{2}+2\right)-9=8 x^{2}+7 \), Emily wrote \( 4\left(3 x^{2}+2\right)=8 x^{2}+16 \) as her first step. Which property justifies Emily's first step? (1) addition property of equality (2) commutative property of addition (3) multiplication property of equality (4) distributive property of multiplication over addition

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