5y+4=100-7y

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Solution for 5y+4=100-7y equation:


Simplifying
5y + 4 = 100 + -7y

Reorder the terms:
4 + 5y = 100 + -7y

Solving
4 + 5y = 100 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
4 + 5y + 7y = 100 + -7y + 7y

Combine like terms: 5y + 7y = 12y
4 + 12y = 100 + -7y + 7y

Combine like terms: -7y + 7y = 0
4 + 12y = 100 + 0
4 + 12y = 100

Add '-4' to each side of the equation.
4 + -4 + 12y = 100 + -4

Combine like terms: 4 + -4 = 0
0 + 12y = 100 + -4
12y = 100 + -4

Combine like terms: 100 + -4 = 96
12y = 96

Divide each side by '12'.
y = 8

Simplifying
y = 8

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