15-7y=-42

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Solution for 15-7y=-42 equation: 


Simplifying
15 + -7y = -42

Solving
15 + -7y = -42

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + -7y = -42 + -15

Combine like terms: 15 + -15 = 0
0 + -7y = -42 + -15
-7y = -42 + -15

Combine like terms: -42 + -15 = -57
-7y = -57

Divide each side by '-7'.
y = 8.142857143

Simplifying
y = 8.142857143

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