-7y+4(y+7)=13

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Solution for -7y+4(y+7)=13 equation:


Simplifying
-7y + 4(y + 7) = 13

Reorder the terms:
-7y + 4(7 + y) = 13
-7y + (7 * 4 + y * 4) = 13
-7y + (28 + 4y) = 13

Reorder the terms:
28 + -7y + 4y = 13

Combine like terms: -7y + 4y = -3y
28 + -3y = 13

Solving
28 + -3y = 13

Solving for variable 'y'.

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

Add '-28' to each side of the equation.
28 + -28 + -3y = 13 + -28

Combine like terms: 28 + -28 = 0
0 + -3y = 13 + -28
-3y = 13 + -28

Combine like terms: 13 + -28 = -15
-3y = -15

Divide each side by '-3'.
y = 5

Simplifying
y = 5

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