4x+4y-28-x+3y=21

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Solution for 4x+4y-28-x+3y=21 equation:


Simplifying
4x + 4y + -28 + -1x + 3y = 21

Reorder the terms:
-28 + 4x + -1x + 4y + 3y = 21

Combine like terms: 4x + -1x = 3x
-28 + 3x + 4y + 3y = 21

Combine like terms: 4y + 3y = 7y
-28 + 3x + 7y = 21

Solving
-28 + 3x + 7y = 21

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 3x + 28 + 7y = 21 + 28

Reorder the terms:
-28 + 28 + 3x + 7y = 21 + 28

Combine like terms: -28 + 28 = 0
0 + 3x + 7y = 21 + 28
3x + 7y = 21 + 28

Combine like terms: 21 + 28 = 49
3x + 7y = 49

Add '-7y' to each side of the equation.
3x + 7y + -7y = 49 + -7y

Combine like terms: 7y + -7y = 0
3x + 0 = 49 + -7y
3x = 49 + -7y

Divide each side by '3'.
x = 16.33333333 + -2.333333333y

Simplifying
x = 16.33333333 + -2.333333333y

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