2X+5(18-X)=66

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Solution for 2X+5(18-X)=66 equation:


Simplifying
2X + 5(18 + -1X) = 66
2X + (18 * 5 + -1X * 5) = 66
2X + (90 + -5X) = 66

Reorder the terms:
90 + 2X + -5X = 66

Combine like terms: 2X + -5X = -3X
90 + -3X = 66

Solving
90 + -3X = 66

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 + -3X = 66 + -90

Combine like terms: 90 + -90 = 0
0 + -3X = 66 + -90
-3X = 66 + -90

Combine like terms: 66 + -90 = -24
-3X = -24

Divide each side by '-3'.
X = 8

Simplifying
X = 8

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