-7*7-4y=28

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Solution for -7*7-4y=28 equation: 


Simplifying
-7 * 7 + -4y = 28

Multiply -7 * 7
-49 + -4y = 28

Solving
-49 + -4y = 28

Solving for variable 'y'.

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

Add '49' to each side of the equation.
-49 + 49 + -4y = 28 + 49

Combine like terms: -49 + 49 = 0
0 + -4y = 28 + 49
-4y = 28 + 49

Combine like terms: 28 + 49 = 77
-4y = 77

Divide each side by '-4'.
y = -19.25

Simplifying
y = -19.25

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