7x-(5x+4)=9x-25

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Solution for 7x-(5x+4)=9x-25 equation:


Simplifying
7x + -1(5x + 4) = 9x + -25

Reorder the terms:
7x + -1(4 + 5x) = 9x + -25
7x + (4 * -1 + 5x * -1) = 9x + -25
7x + (-4 + -5x) = 9x + -25

Reorder the terms:
-4 + 7x + -5x = 9x + -25

Combine like terms: 7x + -5x = 2x
-4 + 2x = 9x + -25

Reorder the terms:
-4 + 2x = -25 + 9x

Solving
-4 + 2x = -25 + 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.
-4 + 2x + -9x = -25 + 9x + -9x

Combine like terms: 2x + -9x = -7x
-4 + -7x = -25 + 9x + -9x

Combine like terms: 9x + -9x = 0
-4 + -7x = -25 + 0
-4 + -7x = -25

Add '4' to each side of the equation.
-4 + 4 + -7x = -25 + 4

Combine like terms: -4 + 4 = 0
0 + -7x = -25 + 4
-7x = -25 + 4

Combine like terms: -25 + 4 = -21
-7x = -21

Divide each side by '-7'.
x = 3

Simplifying
x = 3

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