7x-42+9=5x-25

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Solution for 7x-42+9=5x-25 equation:


Simplifying
7x + -42 + 9 = 5x + -25

Reorder the terms:
-42 + 9 + 7x = 5x + -25

Combine like terms: -42 + 9 = -33
-33 + 7x = 5x + -25

Reorder the terms:
-33 + 7x = -25 + 5x

Solving
-33 + 7x = -25 + 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.
-33 + 7x + -5x = -25 + 5x + -5x

Combine like terms: 7x + -5x = 2x
-33 + 2x = -25 + 5x + -5x

Combine like terms: 5x + -5x = 0
-33 + 2x = -25 + 0
-33 + 2x = -25

Add '33' to each side of the equation.
-33 + 33 + 2x = -25 + 33

Combine like terms: -33 + 33 = 0
0 + 2x = -25 + 33
2x = -25 + 33

Combine like terms: -25 + 33 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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