x+2x+[2x+5]=100

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Solution for x+2x+[2x+5]=100 equation:


Simplifying
x + 2x + [2x + 5] = 100

Reorder the terms:
x + 2x + [5 + 2x] = 100

Remove brackets around [5 + 2x]
x + 2x + 5 + 2x = 100

Reorder the terms:
5 + x + 2x + 2x = 100

Combine like terms: x + 2x = 3x
5 + 3x + 2x = 100

Combine like terms: 3x + 2x = 5x
5 + 5x = 100

Solving
5 + 5x = 100

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 5x = 100 + -5

Combine like terms: 5 + -5 = 0
0 + 5x = 100 + -5
5x = 100 + -5

Combine like terms: 100 + -5 = 95
5x = 95

Divide each side by '5'.
x = 19

Simplifying
x = 19

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