-4.9=y+7.9

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Solution for -4.9=y+7.9 equation:


Simplifying
-4.9 = y + 7.9

Reorder the terms:
-4.9 = 7.9 + y

Solving
-4.9 = 7.9 + 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.
-4.9 + -1y = 7.9 + y + -1y

Combine like terms: y + -1y = 0
-4.9 + -1y = 7.9 + 0
-4.9 + -1y = 7.9

Add '4.9' to each side of the equation.
-4.9 + 4.9 + -1y = 7.9 + 4.9

Combine like terms: -4.9 + 4.9 = 0.0
0.0 + -1y = 7.9 + 4.9
-1y = 7.9 + 4.9

Combine like terms: 7.9 + 4.9 = 12.8
-1y = 12.8

Divide each side by '-1'.
y = -12.8

Simplifying
y = -12.8

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