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4x - 8 = -2x + 20 2x - 8 = 20 2x = 28 x = 14 is this right or wrong, what is the incorrect step?

4x - 8 = -2x + 20 2x - 8 = 20 2x = 28 x = 14 is this right or wrong, what is the incorrect step?
asked 162k views
3 votes
4x - 8 = -2x + 20

2x - 8 = 20
2x = 28

x = 14
is this right or wrong, what is the incorrect step?

asked
User Haim Evgi
by
8.7k points

1 Answer

4 votes

4x-8=-2x + 20

4x+2x= 20 + 8

6x=28

x=28 : 6

x= 4,6

answered
User Aska
by
8.6k points
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