7(x-2)-(7+5x)=x

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Solution for 7(x-2)-(7+5x)=x equation:


Simplifying
7(x + -2) + -1(7 + 5x) = x

Reorder the terms:
7(-2 + x) + -1(7 + 5x) = x
(-2 * 7 + x * 7) + -1(7 + 5x) = x
(-14 + 7x) + -1(7 + 5x) = x
-14 + 7x + (7 * -1 + 5x * -1) = x
-14 + 7x + (-7 + -5x) = x

Reorder the terms:
-14 + -7 + 7x + -5x = x

Combine like terms: -14 + -7 = -21
-21 + 7x + -5x = x

Combine like terms: 7x + -5x = 2x
-21 + 2x = x

Solving
-21 + 2x = 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.
-21 + 2x + -1x = x + -1x

Combine like terms: 2x + -1x = 1x
-21 + 1x = x + -1x

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

Add '21' to each side of the equation.
-21 + 21 + 1x = 0 + 21

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

Combine like terms: 0 + 21 = 21
1x = 21

Divide each side by '1'.
x = 21

Simplifying
x = 21

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