3x-2(30-x)=90

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


Simplifying
3x + -2(30 + -1x) = 90
3x + (30 * -2 + -1x * -2) = 90
3x + (-60 + 2x) = 90

Reorder the terms:
-60 + 3x + 2x = 90

Combine like terms: 3x + 2x = 5x
-60 + 5x = 90

Solving
-60 + 5x = 90

Solving for variable 'x'.

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

Add '60' to each side of the equation.
-60 + 60 + 5x = 90 + 60

Combine like terms: -60 + 60 = 0
0 + 5x = 90 + 60
5x = 90 + 60

Combine like terms: 90 + 60 = 150
5x = 150

Divide each side by '5'.
x = 30

Simplifying
x = 30

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