Question

Me ajudem! A)25t-20=8t+80 B) 7y+7=3y+3

Answer 1

A) $25t-20=8t+80$

$25t-8t=80+20$

$17t=100$

$t=\frac{100}{17}$

B) $7y+7=3y+3$

$7y-3y=3-7$

$4y=-4$

$y=-\frac{4}{4}$

$y=-1$