4y-8=3x+21

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Solution for 4y-8=3x+21 equation:


Simplifying
4y + -8 = 3x + 21

Reorder the terms:
-8 + 4y = 3x + 21

Reorder the terms:
-8 + 4y = 21 + 3x

Solving
-8 + 4y = 21 + 3x

Solving for variable 'y'.

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

Add '8' to each side of the equation.
-8 + 8 + 4y = 21 + 8 + 3x

Combine like terms: -8 + 8 = 0
0 + 4y = 21 + 8 + 3x
4y = 21 + 8 + 3x

Combine like terms: 21 + 8 = 29
4y = 29 + 3x

Divide each side by '4'.
y = 7.25 + 0.75x

Simplifying
y = 7.25 + 0.75x

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