(x-7.5)+2*(x-7.5)=828.5

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Solution for (x-7.5)+2*(x-7.5)=828.5 equation:


Simplifying
(x + -7.5) + 2(x + -7.5) = 828.5

Reorder the terms:
(-7.5 + x) + 2(x + -7.5) = 828.5

Remove parenthesis around (-7.5 + x)
-7.5 + x + 2(x + -7.5) = 828.5

Reorder the terms:
-7.5 + x + 2(-7.5 + x) = 828.5
-7.5 + x + (-7.5 * 2 + x * 2) = 828.5
-7.5 + x + (-15 + 2x) = 828.5

Reorder the terms:
-7.5 + -15 + x + 2x = 828.5

Combine like terms: -7.5 + -15 = -22.5
-22.5 + x + 2x = 828.5

Combine like terms: x + 2x = 3x
-22.5 + 3x = 828.5

Solving
-22.5 + 3x = 828.5

Solving for variable 'x'.

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

Add '22.5' to each side of the equation.
-22.5 + 22.5 + 3x = 828.5 + 22.5

Combine like terms: -22.5 + 22.5 = 0.0
0.0 + 3x = 828.5 + 22.5
3x = 828.5 + 22.5

Combine like terms: 828.5 + 22.5 = 851
3x = 851

Divide each side by '3'.
x = 283.6666667

Simplifying
x = 283.6666667

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