-7x-3(9-7x)=x

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Solution for -7x-3(9-7x)=x equation:


Simplifying
-7x + -3(9 + -7x) = x
-7x + (9 * -3 + -7x * -3) = x
-7x + (-27 + 21x) = x

Reorder the terms:
-27 + -7x + 21x = x

Combine like terms: -7x + 21x = 14x
-27 + 14x = x

Solving
-27 + 14x = 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.
-27 + 14x + -1x = x + -1x

Combine like terms: 14x + -1x = 13x
-27 + 13x = x + -1x

Combine like terms: x + -1x = 0
-27 + 13x = 0

Add '27' to each side of the equation.
-27 + 27 + 13x = 0 + 27

Combine like terms: -27 + 27 = 0
0 + 13x = 0 + 27
13x = 0 + 27

Combine like terms: 0 + 27 = 27
13x = 27

Divide each side by '13'.
x = 2.076923077

Simplifying
x = 2.076923077

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