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

Question

Norma-Jean [14]

3 years ago

8

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

ep

Mathematics

2 answers:

Novosadov [1.4K]3 years ago

3 0

$4(3x+2)-9=8x+7\ \ \ \ \ |add\ 9 \to\ both\ sides\\\\4(3x+2)-9+9=8x+7+9\\\\\boxed{4(3x+2)=8x+16}\\\\Answer:Emily\ add\ 9\ to \both\ sides\ of\ the\ equation.$

Korolek [52] · Answer 1 · 2022-03-17T15:18:12+03:00

Korolek [52]3 years ago

6 0

Emily added the nine over with 7 to get 16