4*(3-x)+9=8-x+4

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Solution for 4*(3-x)+9=8-x+4 equation:


Simplifying
4(3 + -1x) + 9 = 8 + -1x + 4
(3 * 4 + -1x * 4) + 9 = 8 + -1x + 4
(12 + -4x) + 9 = 8 + -1x + 4

Reorder the terms:
12 + 9 + -4x = 8 + -1x + 4

Combine like terms: 12 + 9 = 21
21 + -4x = 8 + -1x + 4

Reorder the terms:
21 + -4x = 8 + 4 + -1x

Combine like terms: 8 + 4 = 12
21 + -4x = 12 + -1x

Solving
21 + -4x = 12 + -1x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add 'x' to each side of the equation.
21 + -4x + x = 12 + -1x + x

Combine like terms: -4x + x = -3x
21 + -3x = 12 + -1x + x

Combine like terms: -1x + x = 0
21 + -3x = 12 + 0
21 + -3x = 12

Add '-21' to each side of the equation.
21 + -21 + -3x = 12 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = 12 + -21
-3x = 12 + -21

Combine like terms: 12 + -21 = -9
-3x = -9

Divide each side by '-3'.
x = 3

Simplifying
x = 3

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