7=7y+4(y+7)

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


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

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

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

Combine like terms: 7y + 4y = 11y
7 = 28 + 11y

Solving
7 = 28 + 11y

Solving for variable 'y'.

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

Add '-11y' to each side of the equation.
7 + -11y = 28 + 11y + -11y

Combine like terms: 11y + -11y = 0
7 + -11y = 28 + 0
7 + -11y = 28

Add '-7' to each side of the equation.
7 + -7 + -11y = 28 + -7

Combine like terms: 7 + -7 = 0
0 + -11y = 28 + -7
-11y = 28 + -7

Combine like terms: 28 + -7 = 21
-11y = 21

Divide each side by '-11'.
y = -1.909090909

Simplifying
y = -1.909090909

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