9x-4(x+5)=25

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


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

Reorder the terms:
9x + -4(5 + x) = 25
9x + (5 * -4 + x * -4) = 25
9x + (-20 + -4x) = 25

Reorder the terms:
-20 + 9x + -4x = 25

Combine like terms: 9x + -4x = 5x
-20 + 5x = 25

Solving
-20 + 5x = 25

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 5x = 25 + 20

Combine like terms: -20 + 20 = 0
0 + 5x = 25 + 20
5x = 25 + 20

Combine like terms: 25 + 20 = 45
5x = 45

Divide each side by '5'.
x = 9

Simplifying
x = 9

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