Question

calcule a) 5x+3=x+2 b) 7x+1+3x-5

Answer 1

a) 5x+3=x+2
5x - x = 2 -3
4x = - 1
x = - 1 
        4
b) 7x+1+3x-5 = 
7x+ 3x = 5 - 1
10x = 4
x = 4  (:2) =>  2 
     10 (:2)       5

Bons estudos...(;

Answer 2

5x+3=x+2
5x-x=2-3
4x=-1
x=(-1)/4

b)7x+1+3x-5
10x=4
x=4/10(/2)
X=2/5