(7.50+x)+x+(7.50+x-12)=63

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Solution for (7.50+x)+x+(7.50+x-12)=63 equation:


Simplifying
(7.50 + x) + x + (7.50 + x + -12) = 63

Remove parenthesis around (7.50 + x)
7.50 + x + x + (7.50 + x + -12) = 63

Reorder the terms:
7.50 + x + x + (7.50 + -12 + x) = 63

Combine like terms: 7.50 + -12 = -4.5
7.50 + x + x + (-4.5 + x) = 63

Remove parenthesis around (-4.5 + x)
7.50 + x + x + -4.5 + x = 63

Reorder the terms:
7.50 + -4.5 + x + x + x = 63

Combine like terms: 7.50 + -4.5 = 3
3 + x + x + x = 63

Combine like terms: x + x = 2x
3 + 2x + x = 63

Combine like terms: 2x + x = 3x
3 + 3x = 63

Solving
3 + 3x = 63

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 3x = 63 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = 63 + -3
3x = 63 + -3

Combine like terms: 63 + -3 = 60
3x = 60

Divide each side by '3'.
x = 20

Simplifying
x = 20

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