140=7+7(-1+4x)

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Solution for 140=7+7(-1+4x) equation:


Simplifying
140 = 7 + 7(-1 + 4x)
140 = 7 + (-1 * 7 + 4x * 7)
140 = 7 + (-7 + 28x)

Combine like terms: 7 + -7 = 0
140 = 0 + 28x
140 = 28x

Solving
140 = 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.
140 + -28x = 28x + -28x

Combine like terms: 28x + -28x = 0
140 + -28x = 0

Add '-140' to each side of the equation.
140 + -140 + -28x = 0 + -140

Combine like terms: 140 + -140 = 0
0 + -28x = 0 + -140
-28x = 0 + -140

Combine like terms: 0 + -140 = -140
-28x = -140

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

Simplifying
x = 5

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