(3X-30)+(2x-20)=90

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Solution for (3X-30)+(2x-20)=90 equation: 


Simplifying
(3X + -30) + (2x + -20) = 90

Reorder the terms:
(-30 + 3X) + (2x + -20) = 90

Remove parenthesis around (-30 + 3X)
-30 + 3X + (2x + -20) = 90

Reorder the terms:
-30 + 3X + (-20 + 2x) = 90

Remove parenthesis around (-20 + 2x)
-30 + 3X + -20 + 2x = 90

Reorder the terms:
-30 + -20 + 3X + 2x = 90

Combine like terms: -30 + -20 = -50
-50 + 3X + 2x = 90

Solving
-50 + 3X + 2x = 90

Solving for variable 'X'.

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

Add '50' to each side of the equation.
-50 + 3X + 50 + 2x = 90 + 50

Reorder the terms:
-50 + 50 + 3X + 2x = 90 + 50

Combine like terms: -50 + 50 = 0
0 + 3X + 2x = 90 + 50
3X + 2x = 90 + 50

Combine like terms: 90 + 50 = 140
3X + 2x = 140

Add '-2x' to each side of the equation.
3X + 2x + -2x = 140 + -2x

Combine like terms: 2x + -2x = 0
3X + 0 = 140 + -2x
3X = 140 + -2x

Divide each side by '3'.
X = 46.66666667 + -0.6666666667x

Simplifying
X = 46.66666667 + -0.6666666667x

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