8X+4X-42=63-9X

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Solution for 8X+4X-42=63-9X equation:


Simplifying
8X + 4X + -42 = 63 + -9X

Reorder the terms:
-42 + 8X + 4X = 63 + -9X

Combine like terms: 8X + 4X = 12X
-42 + 12X = 63 + -9X

Solving
-42 + 12X = 63 + -9X

Solving for variable 'X'.

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

Add '9X' to each side of the equation.
-42 + 12X + 9X = 63 + -9X + 9X

Combine like terms: 12X + 9X = 21X
-42 + 21X = 63 + -9X + 9X

Combine like terms: -9X + 9X = 0
-42 + 21X = 63 + 0
-42 + 21X = 63

Add '42' to each side of the equation.
-42 + 42 + 21X = 63 + 42

Combine like terms: -42 + 42 = 0
0 + 21X = 63 + 42
21X = 63 + 42

Combine like terms: 63 + 42 = 105
21X = 105

Divide each side by '21'.
X = 5

Simplifying
X = 5

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