-5(-1.25)-y=21

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Solution for -5(-1.25)-y=21 equation:


Simplifying
-5(-1.25) + -1y = 21

Multiply -5 * -1.25
6.25 + -1y = 21

Solving
6.25 + -1y = 21

Solving for variable 'y'.

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

Add '-6.25' to each side of the equation.
6.25 + -6.25 + -1y = 21 + -6.25

Combine like terms: 6.25 + -6.25 = 0.00
0.00 + -1y = 21 + -6.25
-1y = 21 + -6.25

Combine like terms: 21 + -6.25 = 14.75
-1y = 14.75

Divide each side by '-1'.
y = -14.75

Simplifying
y = -14.75

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