Question

a)2.(x+3)=10

b)6(x-2)=18

c)9(2x+7)=81

ayuda!

Answer 1

a)2(x+3)=10
2x+6=10
2x=10-6
2x=4
x=4/2
x=2

b)6(x-2)=18
6x-12=18
6x=18+12
6x=30
x=30/6
x= 5

c)9(2x+7)=81
18x+63=81
18x=81-63
18x=18
x=18/18
x=1