7x+2(2x-5)=100

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Solution for 7x+2(2x-5)=100 equation:


Simplifying
7x + 2(2x + -5) = 100

Reorder the terms:
7x + 2(-5 + 2x) = 100
7x + (-5 * 2 + 2x * 2) = 100
7x + (-10 + 4x) = 100

Reorder the terms:
-10 + 7x + 4x = 100

Combine like terms: 7x + 4x = 11x
-10 + 11x = 100

Solving
-10 + 11x = 100

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 11x = 100 + 10

Combine like terms: -10 + 10 = 0
0 + 11x = 100 + 10
11x = 100 + 10

Combine like terms: 100 + 10 = 110
11x = 110

Divide each side by '11'.
x = 10

Simplifying
x = 10

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