-.25(X-8)+.50(X+2)=X+9

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Solution for -.25(X-8)+.50(X+2)=X+9 equation:


Simplifying
-0.25(X + -8) + 0.50(X + 2) = X + 9

Reorder the terms:
-0.25(-8 + X) + 0.50(X + 2) = X + 9
(-8 * -0.25 + X * -0.25) + 0.50(X + 2) = X + 9
(2 + -0.25X) + 0.50(X + 2) = X + 9

Reorder the terms:
2 + -0.25X + 0.50(2 + X) = X + 9
2 + -0.25X + (2 * 0.50 + X * 0.50) = X + 9
2 + -0.25X + (1 + 0.50X) = X + 9

Reorder the terms:
2 + 1 + -0.25X + 0.50X = X + 9

Combine like terms: 2 + 1 = 3
3 + -0.25X + 0.50X = X + 9

Combine like terms: -0.25X + 0.50X = 0.25X
3 + 0.25X = X + 9

Reorder the terms:
3 + 0.25X = 9 + X

Solving
3 + 0.25X = 9 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
3 + 0.25X + -1X = 9 + X + -1X

Combine like terms: 0.25X + -1X = -0.75X
3 + -0.75X = 9 + X + -1X

Combine like terms: X + -1X = 0
3 + -0.75X = 9 + 0
3 + -0.75X = 9

Add '-3' to each side of the equation.
3 + -3 + -0.75X = 9 + -3

Combine like terms: 3 + -3 = 0
0 + -0.75X = 9 + -3
-0.75X = 9 + -3

Combine like terms: 9 + -3 = 6
-0.75X = 6

Divide each side by '-0.75'.
X = -8

Simplifying
X = -8

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