Question

Mostre os cálculos a passo a passo

Answer 1

Resposta:

Explicação passo a passo:

$a)$

$3y=45\°$

$y=45/3$

$y=15\°$

$7x+2y=58\°$

$7x+2\:.\:15=58$

$7x+30=58$

$7x=58-30$

$7x=28$

$x=28/7$

$x=4\°$

$b)$

$3x=2x+10$

$3x-2x=10$

$x=10\°$

$5y=y+48$

$5y-y=48$

$4y=48$

$y=48/4$

$y=12\°$