-3(15)-y=-51

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Solution for -3(15)-y=-51 equation: 


Simplifying
-3(15) + -1y = -51

Multiply -3 * 15
-45 + -1y = -51

Solving
-45 + -1y = -51

Solving for variable 'y'.

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

Add '45' to each side of the equation.
-45 + 45 + -1y = -51 + 45

Combine like terms: -45 + 45 = 0
0 + -1y = -51 + 45
-1y = -51 + 45

Combine like terms: -51 + 45 = -6
-1y = -6

Divide each side by '-1'.
y = 6

Simplifying
y = 6

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