28*0.3y=0.7y-12

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Solution for 28*0.3y=0.7y-12 equation:


Simplifying
28 * 0.3y = 0.7y + -12

Multiply 28 * 0.3
8.4y = 0.7y + -12

Reorder the terms:
8.4y = -12 + 0.7y

Solving
8.4y = -12 + 0.7y

Solving for variable 'y'.

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

Add '-0.7y' to each side of the equation.
8.4y + -0.7y = -12 + 0.7y + -0.7y

Combine like terms: 8.4y + -0.7y = 7.7y
7.7y = -12 + 0.7y + -0.7y

Combine like terms: 0.7y + -0.7y = 0.0
7.7y = -12 + 0.0
7.7y = -12

Divide each side by '7.7'.
y = -1.558441558

Simplifying
y = -1.558441558

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