Question

dada a equação 7x- 3 + x = 5 - 2x​

Answer 1

Oie, tudo bom?

$7x - 3 + x = 5 - 2x$

$8x - 3 = 5 - 2x$

$8x + 2x = 5 + 3$

$10x = 8$

$x = \frac{8}{10}$

$x = \frac{8 {}^{ \div 2} }{10 {}^{ \div 2} }$

$\boxed{x = \frac{4}{5} } \: \: \: ou \: \: \: \boxed{x = 0,8}$

Att. NLE Top Shotta