Question

determine o valor x das equaçoes
2x-5=35






x-5=10

Answer 1

a)2x-5=35
2x=35+5
2x=40
x=40/2
x=20
PROVA
2x-5=35
2.20-5=35

b)x-5=10
x=10+5
x=15
PROVA
15-5=10