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

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


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

Reorder the terms:
-1x + -3(5 + x) = -5x + 20
-1x + (5 * -3 + x * -3) = -5x + 20
-1x + (-15 + -3x) = -5x + 20

Reorder the terms:
-15 + -1x + -3x = -5x + 20

Combine like terms: -1x + -3x = -4x
-15 + -4x = -5x + 20

Reorder the terms:
-15 + -4x = 20 + -5x

Solving
-15 + -4x = 20 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-15 + -4x + 5x = 20 + -5x + 5x

Combine like terms: -4x + 5x = 1x
-15 + 1x = 20 + -5x + 5x

Combine like terms: -5x + 5x = 0
-15 + 1x = 20 + 0
-15 + 1x = 20

Add '15' to each side of the equation.
-15 + 15 + 1x = 20 + 15

Combine like terms: -15 + 15 = 0
0 + 1x = 20 + 15
1x = 20 + 15

Combine like terms: 20 + 15 = 35
1x = 35

Divide each side by '1'.
x = 35

Simplifying
x = 35

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