7x+9=-5x+57

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Solution for 7x+9=-5x+57 equation:


Simplifying
7x + 9 = -5x + 57

Reorder the terms:
9 + 7x = -5x + 57

Reorder the terms:
9 + 7x = 57 + -5x

Solving
9 + 7x = 57 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
9 + 7x + 5x = 57 + -5x + 5x

Combine like terms: 7x + 5x = 12x
9 + 12x = 57 + -5x + 5x

Combine like terms: -5x + 5x = 0
9 + 12x = 57 + 0
9 + 12x = 57

Add '-9' to each side of the equation.
9 + -9 + 12x = 57 + -9

Combine like terms: 9 + -9 = 0
0 + 12x = 57 + -9
12x = 57 + -9

Combine like terms: 57 + -9 = 48
12x = 48

Divide each side by '12'.
x = 4

Simplifying
x = 4

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