142-5x=4x+7

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Solution for 142-5x=4x+7 equation:


Simplifying
142 + -5x = 4x + 7

Reorder the terms:
142 + -5x = 7 + 4x

Solving
142 + -5x = 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.
142 + -5x + -4x = 7 + 4x + -4x

Combine like terms: -5x + -4x = -9x
142 + -9x = 7 + 4x + -4x

Combine like terms: 4x + -4x = 0
142 + -9x = 7 + 0
142 + -9x = 7

Add '-142' to each side of the equation.
142 + -142 + -9x = 7 + -142

Combine like terms: 142 + -142 = 0
0 + -9x = 7 + -142
-9x = 7 + -142

Combine like terms: 7 + -142 = -135
-9x = -135

Divide each side by '-9'.
x = 15

Simplifying
x = 15

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