Answer:
X=3
Explanation:
4x — 9 = 6 — x
Add 9 on both sides
4x=15-x
add x on both sides
5x =15
divide by 5
x=3
4x - 9 = 6- x
4x + x = 6 + 9
5x = 15
x = 15/5
x = 3
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