Answer:
x = -5
Explanation:
We can solve for x in the equation:
-5x + 4 = -4x + 9
with the following steps:
1) add 5x to both sides
5x + (-5x + 4) = (-4x + 9) + 5x
4 = x + 9
2) subtract 9 from both sides
4 - 9 = (x + 9) - 9
-5 = x
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