7y+4+21=

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Solution for 7y+4+21= equation:


Simplifying
7y + 4 + 21 = 0

Reorder the terms:
4 + 21 + 7y = 0

Combine like terms: 4 + 21 = 25
25 + 7y = 0

Solving
25 + 7y = 0

Solving for variable 'y'.

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

Add '-25' to each side of the equation.
25 + -25 + 7y = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 7y = 0 + -25
7y = 0 + -25

Combine like terms: 0 + -25 = -25
7y = -25

Divide each side by '7'.
y = -3.571428571

Simplifying
y = -3.571428571

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