Question

2+x-20+40+2x-1=0 quanto vale x?​

Answer 1

$\large\sf{}2 + x - 20 + 40 + 2x - 1 = 0 \\ \large\sf{}21 + x + 2x = 0 \\ \large\sf{}21 + 3x = 0 \\ \large\sf{}3x = - 21 \\ \large\sf{}x = \frac{ - 21}{3} \\ \\{\large\boxed{\boxed{  { \large \sf x = - 7}}}}$

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