3(19-X)+4X=69

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Solution for 3(19-X)+4X=69 equation:


Simplifying
3(19 + -1X) + 4X = 69
(19 * 3 + -1X * 3) + 4X = 69
(57 + -3X) + 4X = 69

Combine like terms: -3X + 4X = 1X
57 + 1X = 69

Solving
57 + 1X = 69

Solving for variable 'X'.

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

Add '-57' to each side of the equation.
57 + -57 + 1X = 69 + -57

Combine like terms: 57 + -57 = 0
0 + 1X = 69 + -57
1X = 69 + -57

Combine like terms: 69 + -57 = 12
1X = 12

Divide each side by '1'.
X = 12

Simplifying
X = 12

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