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30 votes
30 votes
Can someone help me with this equation
15 - 4x = 42 - 7x?

User Bhargav Rao
by
3.1k points

1 Answer

22 votes
22 votes

Answer: x=9

Explanation:

15-4x=42-7x

Move 15 to the right side

-4x=-7x+27

Move 7x to the left side

3x=27

3x/3=27/3

x=9

User Rjminchuk
by
2.8k points