100=7x+5(4x-7)

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Solution for 100=7x+5(4x-7) equation:


Simplifying
100 = 7x + 5(4x + -7)

Reorder the terms:
100 = 7x + 5(-7 + 4x)
100 = 7x + (-7 * 5 + 4x * 5)
100 = 7x + (-35 + 20x)

Reorder the terms:
100 = -35 + 7x + 20x

Combine like terms: 7x + 20x = 27x
100 = -35 + 27x

Solving
100 = -35 + 27x

Solving for variable 'x'.

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

Add '-27x' to each side of the equation.
100 + -27x = -35 + 27x + -27x

Combine like terms: 27x + -27x = 0
100 + -27x = -35 + 0
100 + -27x = -35

Add '-100' to each side of the equation.
100 + -100 + -27x = -35 + -100

Combine like terms: 100 + -100 = 0
0 + -27x = -35 + -100
-27x = -35 + -100

Combine like terms: -35 + -100 = -135
-27x = -135

Divide each side by '-27'.
x = 5

Simplifying
x = 5

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