4(x-7)-5(x-7)=7(x+19)

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Solution for 4(x-7)-5(x-7)=7(x+19) equation:


Simplifying
4(x + -7) + -5(x + -7) = 7(x + 19)

Reorder the terms:
4(-7 + x) + -5(x + -7) = 7(x + 19)
(-7 * 4 + x * 4) + -5(x + -7) = 7(x + 19)
(-28 + 4x) + -5(x + -7) = 7(x + 19)

Reorder the terms:
-28 + 4x + -5(-7 + x) = 7(x + 19)
-28 + 4x + (-7 * -5 + x * -5) = 7(x + 19)
-28 + 4x + (35 + -5x) = 7(x + 19)

Reorder the terms:
-28 + 35 + 4x + -5x = 7(x + 19)

Combine like terms: -28 + 35 = 7
7 + 4x + -5x = 7(x + 19)

Combine like terms: 4x + -5x = -1x
7 + -1x = 7(x + 19)

Reorder the terms:
7 + -1x = 7(19 + x)
7 + -1x = (19 * 7 + x * 7)
7 + -1x = (133 + 7x)

Solving
7 + -1x = 133 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
7 + -1x + -7x = 133 + 7x + -7x

Combine like terms: -1x + -7x = -8x
7 + -8x = 133 + 7x + -7x

Combine like terms: 7x + -7x = 0
7 + -8x = 133 + 0
7 + -8x = 133

Add '-7' to each side of the equation.
7 + -7 + -8x = 133 + -7

Combine like terms: 7 + -7 = 0
0 + -8x = 133 + -7
-8x = 133 + -7

Combine like terms: 133 + -7 = 126
-8x = 126

Divide each side by '-8'.
x = -15.75

Simplifying
x = -15.75

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