x+(3x+30)+2(3x+30)=990

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Solution for x+(3x+30)+2(3x+30)=990 equation:


Simplifying
x + (3x + 30) + 2(3x + 30) = 990

Reorder the terms:
x + (30 + 3x) + 2(3x + 30) = 990

Remove parenthesis around (30 + 3x)
x + 30 + 3x + 2(3x + 30) = 990

Reorder the terms:
x + 30 + 3x + 2(30 + 3x) = 990
x + 30 + 3x + (30 * 2 + 3x * 2) = 990
x + 30 + 3x + (60 + 6x) = 990

Reorder the terms:
30 + 60 + x + 3x + 6x = 990

Combine like terms: 30 + 60 = 90
90 + x + 3x + 6x = 990

Combine like terms: x + 3x = 4x
90 + 4x + 6x = 990

Combine like terms: 4x + 6x = 10x
90 + 10x = 990

Solving
90 + 10x = 990

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 10x = 990 + -90

Combine like terms: 90 + -90 = 0
0 + 10x = 990 + -90
10x = 990 + -90

Combine like terms: 990 + -90 = 900
10x = 900

Divide each side by '10'.
x = 90

Simplifying
x = 90

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