3(5x-7)-7(4x+5)=x

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Solution for 3(5x-7)-7(4x+5)=x equation:


Simplifying
3(5x + -7) + -7(4x + 5) = x

Reorder the terms:
3(-7 + 5x) + -7(4x + 5) = x
(-7 * 3 + 5x * 3) + -7(4x + 5) = x
(-21 + 15x) + -7(4x + 5) = x

Reorder the terms:
-21 + 15x + -7(5 + 4x) = x
-21 + 15x + (5 * -7 + 4x * -7) = x
-21 + 15x + (-35 + -28x) = x

Reorder the terms:
-21 + -35 + 15x + -28x = x

Combine like terms: -21 + -35 = -56
-56 + 15x + -28x = x

Combine like terms: 15x + -28x = -13x
-56 + -13x = x

Solving
-56 + -13x = 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.
-56 + -13x + -1x = x + -1x

Combine like terms: -13x + -1x = -14x
-56 + -14x = x + -1x

Combine like terms: x + -1x = 0
-56 + -14x = 0

Add '56' to each side of the equation.
-56 + 56 + -14x = 0 + 56

Combine like terms: -56 + 56 = 0
0 + -14x = 0 + 56
-14x = 0 + 56

Combine like terms: 0 + 56 = 56
-14x = 56

Divide each side by '-14'.
x = -4

Simplifying
x = -4

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