2x+7(2x-4)=100

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Solution for 2x+7(2x-4)=100 equation:


Simplifying
2x + 7(2x + -4) = 100

Reorder the terms:
2x + 7(-4 + 2x) = 100
2x + (-4 * 7 + 2x * 7) = 100
2x + (-28 + 14x) = 100

Reorder the terms:
-28 + 2x + 14x = 100

Combine like terms: 2x + 14x = 16x
-28 + 16x = 100

Solving
-28 + 16x = 100

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 16x = 100 + 28

Combine like terms: -28 + 28 = 0
0 + 16x = 100 + 28
16x = 100 + 28

Combine like terms: 100 + 28 = 128
16x = 128

Divide each side by '16'.
x = 8

Simplifying
x = 8

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