4(x+7)-9=x

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Solution for 4(x+7)-9=x equation:


Simplifying
4(x + 7) + -9 = x

Reorder the terms:
4(7 + x) + -9 = x
(7 * 4 + x * 4) + -9 = x
(28 + 4x) + -9 = x

Reorder the terms:
28 + -9 + 4x = x

Combine like terms: 28 + -9 = 19
19 + 4x = x

Solving
19 + 4x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
19 + 4x + -1x = x + -1x

Combine like terms: 4x + -1x = 3x
19 + 3x = x + -1x

Combine like terms: x + -1x = 0
19 + 3x = 0

Add '-19' to each side of the equation.
19 + -19 + 3x = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 3x = 0 + -19
3x = 0 + -19

Combine like terms: 0 + -19 = -19
3x = -19

Divide each side by '3'.
x = -6.333333333

Simplifying
x = -6.333333333

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