Question

a) 2x + 18
b) 2x - 5 = x + 1
c)2 3 X 4
d) 5x + 7 = 4x + 10
e) 4x - 10 = 2x + 2​

Answer 1

a) 2x + 18
2(X + 9)--> fatorização

b) 2x-5=X+1
2x=X+1+5
2x=x+6
2x-x=6
X=6

c) 2.3.x.4
6x.4
24x


d) 5x+7=4x+10
5x-4x+7=10
X=10-7
X=3

e) 4x-10=2x+2
4x+2x-10=2
2x=2+10
2x=12
X=12/2
X=6