5x+9x-42=63-7x

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Solution for 5x+9x-42=63-7x equation:


Simplifying
5x + 9x + -42 = 63 + -7x

Reorder the terms:
-42 + 5x + 9x = 63 + -7x

Combine like terms: 5x + 9x = 14x
-42 + 14x = 63 + -7x

Solving
-42 + 14x = 63 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-42 + 14x + 7x = 63 + -7x + 7x

Combine like terms: 14x + 7x = 21x
-42 + 21x = 63 + -7x + 7x

Combine like terms: -7x + 7x = 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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