Question

gente preciso dos calculos obg.

Answer 1

f) x+6=10
x=10-6
x=4
g) x-5= 15
x=15+5
x=20
h)2x+5=15
2x=15-5
2x=10
x=10/5
x=2
i)13+x=18
x=-13+18
x=5
j)3x+18=24
3x=24-18
3x=6
x=6/3
x=2