Question

me ajudem pfvrrr
$2x + 5 = 12$












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Answer 1

Resposta:

a)2x+5=12

2x=12-5=

2x=7

x=7/2

b)8x-6=6x

8x-6x=6

2x=6

x=6/2

x=3

c)t=8-2t

t+2t=8

3t=8

t=8/3

d)y+10=6

y=10-6

y=4

espero ter ajudado