4x-3x+21-7=9

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Solution for 4x-3x+21-7=9 equation:


Simplifying
4x + -3x + 21 + -7 = 9

Reorder the terms:
21 + -7 + 4x + -3x = 9

Combine like terms: 21 + -7 = 14
14 + 4x + -3x = 9

Combine like terms: 4x + -3x = 1x
14 + 1x = 9

Solving
14 + 1x = 9

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + 1x = 9 + -14

Combine like terms: 14 + -14 = 0
0 + 1x = 9 + -14
1x = 9 + -14

Combine like terms: 9 + -14 = -5
1x = -5

Divide each side by '1'.
x = -5

Simplifying
x = -5

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