y+3=3.5y-12

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Solution for y+3=3.5y-12 equation: 


Simplifying
y + 3 = 3.5y + -12

Reorder the terms:
3 + y = 3.5y + -12

Reorder the terms:
3 + y = -12 + 3.5y

Solving
3 + y = -12 + 3.5y

Solving for variable 'y'.

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

Add '-3.5y' to each side of the equation.
3 + y + -3.5y = -12 + 3.5y + -3.5y

Combine like terms: y + -3.5y = -2.5y
3 + -2.5y = -12 + 3.5y + -3.5y

Combine like terms: 3.5y + -3.5y = 0.0
3 + -2.5y = -12 + 0.0
3 + -2.5y = -12

Add '-3' to each side of the equation.
3 + -3 + -2.5y = -12 + -3

Combine like terms: 3 + -3 = 0
0 + -2.5y = -12 + -3
-2.5y = -12 + -3

Combine like terms: -12 + -3 = -15
-2.5y = -15

Divide each side by '-2.5'.
y = 6

Simplifying
y = 6

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