7.5=-0.8y+12

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Solution for 7.5=-0.8y+12 equation:


Simplifying
7.5 = -0.8y + 12

Reorder the terms:
7.5 = 12 + -0.8y

Solving
7.5 = 12 + -0.8y

Solving for variable 'y'.

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

Add '0.8y' to each side of the equation.
7.5 + 0.8y = 12 + -0.8y + 0.8y

Combine like terms: -0.8y + 0.8y = 0.0
7.5 + 0.8y = 12 + 0.0
7.5 + 0.8y = 12

Add '-7.5' to each side of the equation.
7.5 + -7.5 + 0.8y = 12 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + 0.8y = 12 + -7.5
0.8y = 12 + -7.5

Combine like terms: 12 + -7.5 = 4.5
0.8y = 4.5

Divide each side by '0.8'.
y = 5.625

Simplifying
y = 5.625

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