(x+20)+(3x-26)=684

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Solution for (x+20)+(3x-26)=684 equation:


Simplifying
(x + 20) + (3x + -26) = 684

Reorder the terms:
(20 + x) + (3x + -26) = 684

Remove parenthesis around (20 + x)
20 + x + (3x + -26) = 684

Reorder the terms:
20 + x + (-26 + 3x) = 684

Remove parenthesis around (-26 + 3x)
20 + x + -26 + 3x = 684

Reorder the terms:
20 + -26 + x + 3x = 684

Combine like terms: 20 + -26 = -6
-6 + x + 3x = 684

Combine like terms: x + 3x = 4x
-6 + 4x = 684

Solving
-6 + 4x = 684

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 4x = 684 + 6

Combine like terms: -6 + 6 = 0
0 + 4x = 684 + 6
4x = 684 + 6

Combine like terms: 684 + 6 = 690
4x = 690

Divide each side by '4'.
x = 172.5

Simplifying
x = 172.5

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