Question

Quanto e essa equacao 2x+1=4x-7

Answer 1

2x +1 = 4x -7
2x-4x = -7 -1
2x = -8 (*-1)
2x= 8
x = 8/2
x = 4

Answer 2

2x+1=4x-7
2x-4x=-7-1
-2x=-8 (*-1)
2x=8
X=8/4
X=2