3X+9=65-4X

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Solution for 3X+9=65-4X equation:


Simplifying
3X + 9 = 65 + -4X

Reorder the terms:
9 + 3X = 65 + -4X

Solving
9 + 3X = 65 + -4X

Solving for variable 'X'.

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

Add '4X' to each side of the equation.
9 + 3X + 4X = 65 + -4X + 4X

Combine like terms: 3X + 4X = 7X
9 + 7X = 65 + -4X + 4X

Combine like terms: -4X + 4X = 0
9 + 7X = 65 + 0
9 + 7X = 65

Add '-9' to each side of the equation.
9 + -9 + 7X = 65 + -9

Combine like terms: 9 + -9 = 0
0 + 7X = 65 + -9
7X = 65 + -9

Combine like terms: 65 + -9 = 56
7X = 56

Divide each side by '7'.
X = 8

Simplifying
X = 8

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