Question

Resolva as equações

a)2×-5=×+1
b)2×+3=×+4
c)5×+7=4×+10

Answer 1

a
2x-5=x+1
2x-x=1+5
x=6

b
2x+3=x+4
2x-x=4-3
x=1

c
5x+7=4x+10
5x-4x=10-7
x=3