y+3=4y-18

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Solution for y+3=4y-18 equation:


Simplifying
y + 3 = 4y + -18

Reorder the terms:
3 + y = 4y + -18

Reorder the terms:
3 + y = -18 + 4y

Solving
3 + y = -18 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
3 + y + -4y = -18 + 4y + -4y

Combine like terms: y + -4y = -3y
3 + -3y = -18 + 4y + -4y

Combine like terms: 4y + -4y = 0
3 + -3y = -18 + 0
3 + -3y = -18

Add '-3' to each side of the equation.
3 + -3 + -3y = -18 + -3

Combine like terms: 3 + -3 = 0
0 + -3y = -18 + -3
-3y = -18 + -3

Combine like terms: -18 + -3 = -21
-3y = -21

Divide each side by '-3'.
y = 7

Simplifying
y = 7

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