9+4=3y+4y

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Solution for 9+4=3y+4y equation:


Simplifying
9 + 4 = 3y + 4y

Combine like terms: 9 + 4 = 13
13 = 3y + 4y

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

Solving
13 = 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.
13 + -7y = 7y + -7y

Combine like terms: 7y + -7y = 0
13 + -7y = 0

Add '-13' to each side of the equation.
13 + -13 + -7y = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -7y = 0 + -13
-7y = 0 + -13

Combine like terms: 0 + -13 = -13
-7y = -13

Divide each side by '-7'.
y = 1.857142857

Simplifying
y = 1.857142857

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