4[9-(-7x-8)]=56x+100

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Solution for 4[9-(-7x-8)]=56x+100 equation:


Simplifying
4[9 + -1(-7x + -8)] = 56x + 100

Reorder the terms:
4[9 + -1(-8 + -7x)] = 56x + 100
4[9 + (-8 * -1 + -7x * -1)] = 56x + 100
4[9 + (8 + 7x)] = 56x + 100

Combine like terms: 9 + 8 = 17
4[17 + 7x] = 56x + 100
[17 * 4 + 7x * 4] = 56x + 100
[68 + 28x] = 56x + 100

Reorder the terms:
68 + 28x = 100 + 56x

Solving
68 + 28x = 100 + 56x

Solving for variable 'x'.

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

Add '-56x' to each side of the equation.
68 + 28x + -56x = 100 + 56x + -56x

Combine like terms: 28x + -56x = -28x
68 + -28x = 100 + 56x + -56x

Combine like terms: 56x + -56x = 0
68 + -28x = 100 + 0
68 + -28x = 100

Add '-68' to each side of the equation.
68 + -68 + -28x = 100 + -68

Combine like terms: 68 + -68 = 0
0 + -28x = 100 + -68
-28x = 100 + -68

Combine like terms: 100 + -68 = 32
-28x = 32

Divide each side by '-28'.
x = -1.142857143

Simplifying
x = -1.142857143

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