5(x-5)-(4x-4)=-7

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Solution for 5(x-5)-(4x-4)=-7 equation:


Simplifying
5(x + -5) + -1(4x + -4) = -7

Reorder the terms:
5(-5 + x) + -1(4x + -4) = -7
(-5 * 5 + x * 5) + -1(4x + -4) = -7
(-25 + 5x) + -1(4x + -4) = -7

Reorder the terms:
-25 + 5x + -1(-4 + 4x) = -7
-25 + 5x + (-4 * -1 + 4x * -1) = -7
-25 + 5x + (4 + -4x) = -7

Reorder the terms:
-25 + 4 + 5x + -4x = -7

Combine like terms: -25 + 4 = -21
-21 + 5x + -4x = -7

Combine like terms: 5x + -4x = 1x
-21 + 1x = -7

Solving
-21 + 1x = -7

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 1x = -7 + 21

Combine like terms: -21 + 21 = 0
0 + 1x = -7 + 21
1x = -7 + 21

Combine like terms: -7 + 21 = 14
1x = 14

Divide each side by '1'.
x = 14

Simplifying
x = 14

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