11 December, 14:55
What is - 3 (x + 4) + 15 = 6 - 4x
11 December, 15:23
x = 3
-3x - 12 + 15 = 6 - 4x
2. Simplify - 3x - 12 + 15 to - 3x + 3.
-3x + 3 = 6 - 4x
3. Subtract 3 from both sides.
-3x = 6 - 4x - 3
4. Simplify 6 - 4x - 3 to - 4x + 3.
5. Add 4x to both sides.
-3x + 4x = 3
6. Simplify - 3x + 4x to x.
x = 3
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