Question

Resolva as equações do 1º grau
a) 2x - 3 = 7
c) 4x - 5 = 7
e) 2x - 4 = x + 2
b) 3x + 2 = 10
d) x - 1 = 4
f) 3x + 4 = 2x - 2​

Answer 1

A) 2x=7 + 3
2x=10
X= 10:2
X =5
C)4x = 7 +5
4x =12
X=12:4
X=3
E) 2x -x = 2+4
X=6
B)3x=10-2
3x=8
X=8:3
D) x=4+1
X=5
F)3x-2x=-2-4
X=-6