4x+143=9x-7

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Solution for 4x+143=9x-7 equation:


Simplifying
4x + 143 = 9x + -7

Reorder the terms:
143 + 4x = 9x + -7

Reorder the terms:
143 + 4x = -7 + 9x

Solving
143 + 4x = -7 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
143 + 4x + -9x = -7 + 9x + -9x

Combine like terms: 4x + -9x = -5x
143 + -5x = -7 + 9x + -9x

Combine like terms: 9x + -9x = 0
143 + -5x = -7 + 0
143 + -5x = -7

Add '-143' to each side of the equation.
143 + -143 + -5x = -7 + -143

Combine like terms: 143 + -143 = 0
0 + -5x = -7 + -143
-5x = -7 + -143

Combine like terms: -7 + -143 = -150
-5x = -150

Divide each side by '-5'.
x = 30

Simplifying
x = 30

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