3x+2(x+20)=90

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


Simplifying
3x + 2(x + 20) = 90

Reorder the terms:
3x + 2(20 + x) = 90
3x + (20 * 2 + x * 2) = 90
3x + (40 + 2x) = 90

Reorder the terms:
40 + 3x + 2x = 90

Combine like terms: 3x + 2x = 5x
40 + 5x = 90

Solving
40 + 5x = 90

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 5x = 90 + -40

Combine like terms: 40 + -40 = 0
0 + 5x = 90 + -40
5x = 90 + -40

Combine like terms: 90 + -40 = 50
5x = 50

Divide each side by '5'.
x = 10

Simplifying
x = 10

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