159=7-4(-3+7x)

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Solution for 159=7-4(-3+7x) equation:


Simplifying
159 = 7 + -4(-3 + 7x)
159 = 7 + (-3 * -4 + 7x * -4)
159 = 7 + (12 + -28x)

Combine like terms: 7 + 12 = 19
159 = 19 + -28x

Solving
159 = 19 + -28x

Solving for variable 'x'.

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

Add '28x' to each side of the equation.
159 + 28x = 19 + -28x + 28x

Combine like terms: -28x + 28x = 0
159 + 28x = 19 + 0
159 + 28x = 19

Add '-159' to each side of the equation.
159 + -159 + 28x = 19 + -159

Combine like terms: 159 + -159 = 0
0 + 28x = 19 + -159
28x = 19 + -159

Combine like terms: 19 + -159 = -140
28x = -140

Divide each side by '28'.
x = -5

Simplifying
x = -5

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