3x-(x-5)=100

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Solution for 3x-(x-5)=100 equation:


Simplifying
3x + -1(x + -5) = 100

Reorder the terms:
3x + -1(-5 + x) = 100
3x + (-5 * -1 + x * -1) = 100
3x + (5 + -1x) = 100

Reorder the terms:
5 + 3x + -1x = 100

Combine like terms: 3x + -1x = 2x
5 + 2x = 100

Solving
5 + 2x = 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 + 2x = 100 + -5

Combine like terms: 5 + -5 = 0
0 + 2x = 100 + -5
2x = 100 + -5

Combine like terms: 100 + -5 = 95
2x = 95

Divide each side by '2'.
x = 47.5

Simplifying
x = 47.5

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