Question

Resolva equação as equações:
2x+3x+9=8(6-x)


4(x+10)-2(x-5)= 0

Answer 1

2x+3x+9=8(6-x)
2x+3x+9=48-8x
2x+3x+8x=48-9
13x=39
x=39/13
x=3

4(x+10)-2(x-5)=0
4x+40-2x+10=0
4x-2x=-40-10
2x=-50
x=-50/2
x=-25