2x+30 = 150
10x-80 = 1630
2x+40-4x = 2040
5x-70 +4x - 2x = 160 +10 +40
10x+20 = 4x-570​

Respuestas

Respuesta dada por: rameconh
1
2x=150-30
2x=120
X=120/2
X=60

10x=1630+80
10x=1710
X=1710/10
X=171

2x-4x=2040-40
-2x=2000
X=2000/-2
X=-1000

5x+4x-2x=160+10+40+70
9x-2x=170+40+70
7x=210+70
7x=280
X=280/7
X=40

10x-4x=-570-20
6x=-590
X=-590/6
X=-295/3
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