21.5-1.5y=y+4

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Solution for 21.5-1.5y=y+4 equation:


Simplifying
21.5 + -1.5y = y + 4

Reorder the terms:
21.5 + -1.5y = 4 + y

Solving
21.5 + -1.5y = 4 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
21.5 + -1.5y + -1y = 4 + y + -1y

Combine like terms: -1.5y + -1y = -2.5y
21.5 + -2.5y = 4 + y + -1y

Combine like terms: y + -1y = 0
21.5 + -2.5y = 4 + 0
21.5 + -2.5y = 4

Add '-21.5' to each side of the equation.
21.5 + -21.5 + -2.5y = 4 + -21.5

Combine like terms: 21.5 + -21.5 = 0.0
0.0 + -2.5y = 4 + -21.5
-2.5y = 4 + -21.5

Combine like terms: 4 + -21.5 = -17.5
-2.5y = -17.5

Divide each side by '-2.5'.
y = 7

Simplifying
y = 7

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