Question

3m+10-8=5+2m-3+5

3x=2x+100+50

7a-7-2a+10=a-5

Answer 1

Olá,

3m + 10 - 8 = 5 + 2m - 3 + 5
3m + 2 = 7 + 2m
3m - 2m = 7 - 2
m = 5

3x = 2x + 100 + 50
3x - 2x = 150
x = 150

7a - 7 -2a + 10 = a - 5
5a - a = -5 - 10 + 7
4a = -8
a = -8/4
a = -2

Bons estudos ;)