2x+3(x+10)=90

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Solution for 2x+3(x+10)=90 equation:


Simplifying
2x + 3(x + 10) = 90

Reorder the terms:
2x + 3(10 + x) = 90
2x + (10 * 3 + x * 3) = 90
2x + (30 + 3x) = 90

Reorder the terms:
30 + 2x + 3x = 90

Combine like terms: 2x + 3x = 5x
30 + 5x = 90

Solving
30 + 5x = 90

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 5x = 90 + -30

Combine like terms: 30 + -30 = 0
0 + 5x = 90 + -30
5x = 90 + -30

Combine like terms: 90 + -30 = 60
5x = 60

Divide each side by '5'.
x = 12

Simplifying
x = 12

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