2x-3+4y=21

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Solution for 2x-3+4y=21 equation:


Simplifying
2x + -3 + 4y = 21

Reorder the terms:
-3 + 2x + 4y = 21

Solving
-3 + 2x + 4y = 21

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 2x + 3 + 4y = 21 + 3

Reorder the terms:
-3 + 3 + 2x + 4y = 21 + 3

Combine like terms: -3 + 3 = 0
0 + 2x + 4y = 21 + 3
2x + 4y = 21 + 3

Combine like terms: 21 + 3 = 24
2x + 4y = 24

Add '-4y' to each side of the equation.
2x + 4y + -4y = 24 + -4y

Combine like terms: 4y + -4y = 0
2x + 0 = 24 + -4y
2x = 24 + -4y

Divide each side by '2'.
x = 12 + -2y

Simplifying
x = 12 + -2y

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