Question

Resolve as equações a) 5x+3x=16
b) x+x+8=54

Answer 1

a)5x+3x=16
     8x=16
x=16/8
x=2     


b)x+x+8=54
    2x=54-8
    2x=46
    x=46/2
    x=23




Espero ter ajudado<3