7x+7(-8+x)=5(x+5)

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Solution for 7x+7(-8+x)=5(x+5) equation:


Simplifying
7x + 7(-8 + x) = 5(x + 5)
7x + (-8 * 7 + x * 7) = 5(x + 5)
7x + (-56 + 7x) = 5(x + 5)

Reorder the terms:
-56 + 7x + 7x = 5(x + 5)

Combine like terms: 7x + 7x = 14x
-56 + 14x = 5(x + 5)

Reorder the terms:
-56 + 14x = 5(5 + x)
-56 + 14x = (5 * 5 + x * 5)
-56 + 14x = (25 + 5x)

Solving
-56 + 14x = 25 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-56 + 14x + -5x = 25 + 5x + -5x

Combine like terms: 14x + -5x = 9x
-56 + 9x = 25 + 5x + -5x

Combine like terms: 5x + -5x = 0
-56 + 9x = 25 + 0
-56 + 9x = 25

Add '56' to each side of the equation.
-56 + 56 + 9x = 25 + 56

Combine like terms: -56 + 56 = 0
0 + 9x = 25 + 56
9x = 25 + 56

Combine like terms: 25 + 56 = 81
9x = 81

Divide each side by '9'.
x = 9

Simplifying
x = 9

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