9x-42=4x+7

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Solution for 9x-42=4x+7 equation:


Simplifying
9x + -42 = 4x + 7

Reorder the terms:
-42 + 9x = 4x + 7

Reorder the terms:
-42 + 9x = 7 + 4x

Solving
-42 + 9x = 7 + 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.
-42 + 9x + -4x = 7 + 4x + -4x

Combine like terms: 9x + -4x = 5x
-42 + 5x = 7 + 4x + -4x

Combine like terms: 4x + -4x = 0
-42 + 5x = 7 + 0
-42 + 5x = 7

Add '42' to each side of the equation.
-42 + 42 + 5x = 7 + 42

Combine like terms: -42 + 42 = 0
0 + 5x = 7 + 42
5x = 7 + 42

Combine like terms: 7 + 42 = 49
5x = 49

Divide each side by '5'.
x = 9.8

Simplifying
x = 9.8

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