3x-(15+2x)=75

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Solution for 3x-(15+2x)=75 equation:


Simplifying
3x + -1(15 + 2x) = 75
3x + (15 * -1 + 2x * -1) = 75
3x + (-15 + -2x) = 75

Reorder the terms:
-15 + 3x + -2x = 75

Combine like terms: 3x + -2x = 1x
-15 + 1x = 75

Solving
-15 + 1x = 75

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 1x = 75 + 15

Combine like terms: -15 + 15 = 0
0 + 1x = 75 + 15
1x = 75 + 15

Combine like terms: 75 + 15 = 90
1x = 90

Divide each side by '1'.
x = 90

Simplifying
x = 90

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