20+(3x+40)=90

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Solution for 20+(3x+40)=90 equation:


Simplifying
20 + (3x + 40) = 90

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

Remove parenthesis around (40 + 3x)
20 + 40 + 3x = 90

Combine like terms: 20 + 40 = 60
60 + 3x = 90

Solving
60 + 3x = 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 + 3x = 90 + -60

Combine like terms: 60 + -60 = 0
0 + 3x = 90 + -60
3x = 90 + -60

Combine like terms: 90 + -60 = 30
3x = 30

Divide each side by '3'.
x = 10

Simplifying
x = 10

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