25(x-3)-(5x+5)=20

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Solution for 25(x-3)-(5x+5)=20 equation:


Simplifying
25(x + -3) + -1(5x + 5) = 20

Reorder the terms:
25(-3 + x) + -1(5x + 5) = 20
(-3 * 25 + x * 25) + -1(5x + 5) = 20
(-75 + 25x) + -1(5x + 5) = 20

Reorder the terms:
-75 + 25x + -1(5 + 5x) = 20
-75 + 25x + (5 * -1 + 5x * -1) = 20
-75 + 25x + (-5 + -5x) = 20

Reorder the terms:
-75 + -5 + 25x + -5x = 20

Combine like terms: -75 + -5 = -80
-80 + 25x + -5x = 20

Combine like terms: 25x + -5x = 20x
-80 + 20x = 20

Solving
-80 + 20x = 20

Solving for variable 'x'.

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

Add '80' to each side of the equation.
-80 + 80 + 20x = 20 + 80

Combine like terms: -80 + 80 = 0
0 + 20x = 20 + 80
20x = 20 + 80

Combine like terms: 20 + 80 = 100
20x = 100

Divide each side by '20'.
x = 5

Simplifying
x = 5

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