3X-5-(2X)=90

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Solution for 3X-5-(2X)=90 equation: 


Simplifying
3X + -5 + -1(2X) = 90

Remove parenthesis around (2X)
3X + -5 + -1 * 2X = 90

Multiply -1 * 2
3X + -5 + -2X = 90

Reorder the terms:
-5 + 3X + -2X = 90

Combine like terms: 3X + -2X = 1X
-5 + 1X = 90

Solving
-5 + 1X = 90

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 + 1X = 90 + 5

Combine like terms: -5 + 5 = 0
0 + 1X = 90 + 5
1X = 90 + 5

Combine like terms: 90 + 5 = 95
1X = 95

Divide each side by '1'.
X = 95

Simplifying
X = 95

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