9x-4(x+7)=125

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Solution for 9x-4(x+7)=125 equation:


Simplifying
9x + -4(x + 7) = 125

Reorder the terms:
9x + -4(7 + x) = 125
9x + (7 * -4 + x * -4) = 125
9x + (-28 + -4x) = 125

Reorder the terms:
-28 + 9x + -4x = 125

Combine like terms: 9x + -4x = 5x
-28 + 5x = 125

Solving
-28 + 5x = 125

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 5x = 125 + 28

Combine like terms: -28 + 28 = 0
0 + 5x = 125 + 28
5x = 125 + 28

Combine like terms: 125 + 28 = 153
5x = 153

Divide each side by '5'.
x = 30.6

Simplifying
x = 30.6

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