Question

9x+7=7 ?
Passo a passo

Answer 1

$\LARGE\tt{}9x + 7 = 7 \\ \LARGE\tt{}9x\cancel{ + 7} = \cancel{7} \\ \LARGE\tt{}9x = 0 \\ \LARGE\tt{}9x \div 9 = 0 \div 9 \\ \LARGE\tt{}x = 0 \div 9 \\\LARGE\tt{} \boxed{x = 0}$

${\large\boxed{\boxed{  { \large \tt Bons~Estudos }}}}$