Question

Me ajudem a resolver as equações, por favor.

a) 2(x+5) -3(5-x) = 5

b) 5x-8 = 12+x

Answer 1

a) 2x+10-15+3x=5
2x+3x= -10+15+5
5x= 10
x= 10/5
x= 2

b) 5x-8=12+x
5x-x= 12+8
4x=20
x=20/4
x=5