49-10(7)-y=13

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Solution for 49-10(7)-y=13 equation:


Simplifying
49 + -10(7) + -1y = 13

Multiply -10 * 7
49 + -70 + -1y = 13

Combine like terms: 49 + -70 = -21
-21 + -1y = 13

Solving
-21 + -1y = 13

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + -1y = 13 + 21

Combine like terms: -21 + 21 = 0
0 + -1y = 13 + 21
-1y = 13 + 21

Combine like terms: 13 + 21 = 34
-1y = 34

Divide each side by '-1'.
y = -34

Simplifying
y = -34

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