7x-(5x+6)=4x-20

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Solution for 7x-(5x+6)=4x-20 equation:


Simplifying
7x + -1(5x + 6) = 4x + -20

Reorder the terms:
7x + -1(6 + 5x) = 4x + -20
7x + (6 * -1 + 5x * -1) = 4x + -20
7x + (-6 + -5x) = 4x + -20

Reorder the terms:
-6 + 7x + -5x = 4x + -20

Combine like terms: 7x + -5x = 2x
-6 + 2x = 4x + -20

Reorder the terms:
-6 + 2x = -20 + 4x

Solving
-6 + 2x = -20 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-6 + 2x + -4x = -20 + 4x + -4x

Combine like terms: 2x + -4x = -2x
-6 + -2x = -20 + 4x + -4x

Combine like terms: 4x + -4x = 0
-6 + -2x = -20 + 0
-6 + -2x = -20

Add '6' to each side of the equation.
-6 + 6 + -2x = -20 + 6

Combine like terms: -6 + 6 = 0
0 + -2x = -20 + 6
-2x = -20 + 6

Combine like terms: -20 + 6 = -14
-2x = -14

Divide each side by '-2'.
x = 7

Simplifying
x = 7

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