Resposta :
a)4x + 10=x-5
4x + x=—5-10
5x=—15
X= 15/5
B)5x —4 + 2x=10
5x+2x=10 + 4
7x=14
X=14/7
X=2
C)6x — 24=0
6x=24
X=24/6
X=4
D)2x — 10 = x +8
2x — x=8+10
X=18
E)4x —5 =15
4x=15 +5
X=20/4
X=4
F)2x +12=20
2x=20-12
2x=8
X=8/2
X=4
G) 5x=30
5x=30
X=30/5
X=6
4x + x=—5-10
5x=—15
X= 15/5
B)5x —4 + 2x=10
5x+2x=10 + 4
7x=14
X=14/7
X=2
C)6x — 24=0
6x=24
X=24/6
X=4
D)2x — 10 = x +8
2x — x=8+10
X=18
E)4x —5 =15
4x=15 +5
X=20/4
X=4
F)2x +12=20
2x=20-12
2x=8
X=8/2
X=4
G) 5x=30
5x=30
X=30/5
X=6