7[5-(-4x-3)]=140x+140

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Solution for 7[5-(-4x-3)]=140x+140 equation:


Simplifying
7[5 + -1(-4x + -3)] = 140x + 140

Reorder the terms:
7[5 + -1(-3 + -4x)] = 140x + 140
7[5 + (-3 * -1 + -4x * -1)] = 140x + 140
7[5 + (3 + 4x)] = 140x + 140

Combine like terms: 5 + 3 = 8
7[8 + 4x] = 140x + 140
[8 * 7 + 4x * 7] = 140x + 140
[56 + 28x] = 140x + 140

Reorder the terms:
56 + 28x = 140 + 140x

Solving
56 + 28x = 140 + 140x

Solving for variable 'x'.

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

Add '-140x' to each side of the equation.
56 + 28x + -140x = 140 + 140x + -140x

Combine like terms: 28x + -140x = -112x
56 + -112x = 140 + 140x + -140x

Combine like terms: 140x + -140x = 0
56 + -112x = 140 + 0
56 + -112x = 140

Add '-56' to each side of the equation.
56 + -56 + -112x = 140 + -56

Combine like terms: 56 + -56 = 0
0 + -112x = 140 + -56
-112x = 140 + -56

Combine like terms: 140 + -56 = 84
-112x = 84

Divide each side by '-112'.
x = -0.75

Simplifying
x = -0.75

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