Question

e) - 5x = -30
f) 2x + 7 = 27​

Answer 1

Oie, Td Bom?!

e)

$- 5x = - 30 \: . \: ( - 1)$

$5x = 30$

$x = \frac{30}{5}$

$\boxed {x = 6}$

f)

$2x + 7 = 27$

$2x = 27 - 7$

$2x = 20$

$x = \frac{20}{2}$

$\boxed {x = 10}$

Att. Makaveli1996