3(x-y)+20=4x+7y-17

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Solution for 3(x-y)+20=4x+7y-17 equation:


Simplifying
3(x + -1y) + 20 = 4x + 7y + -17
(x * 3 + -1y * 3) + 20 = 4x + 7y + -17
(3x + -3y) + 20 = 4x + 7y + -17

Reorder the terms:
20 + 3x + -3y = 4x + 7y + -17

Reorder the terms:
20 + 3x + -3y = -17 + 4x + 7y

Solving
20 + 3x + -3y = -17 + 4x + 7y

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.
20 + 3x + -4x + -3y = -17 + 4x + -4x + 7y

Combine like terms: 3x + -4x = -1x
20 + -1x + -3y = -17 + 4x + -4x + 7y

Combine like terms: 4x + -4x = 0
20 + -1x + -3y = -17 + 0 + 7y
20 + -1x + -3y = -17 + 7y

Add '-20' to each side of the equation.
20 + -1x + -20 + -3y = -17 + -20 + 7y

Reorder the terms:
20 + -20 + -1x + -3y = -17 + -20 + 7y

Combine like terms: 20 + -20 = 0
0 + -1x + -3y = -17 + -20 + 7y
-1x + -3y = -17 + -20 + 7y

Combine like terms: -17 + -20 = -37
-1x + -3y = -37 + 7y

Add '3y' to each side of the equation.
-1x + -3y + 3y = -37 + 7y + 3y

Combine like terms: -3y + 3y = 0
-1x + 0 = -37 + 7y + 3y
-1x = -37 + 7y + 3y

Combine like terms: 7y + 3y = 10y
-1x = -37 + 10y

Divide each side by '-1'.
x = 37 + -10y

Simplifying
x = 37 + -10y

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