7y+9+3y+4=143

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Solution for 7y+9+3y+4=143 equation:


Simplifying
7y + 9 + 3y + 4 = 143

Reorder the terms:
9 + 4 + 7y + 3y = 143

Combine like terms: 9 + 4 = 13
13 + 7y + 3y = 143

Combine like terms: 7y + 3y = 10y
13 + 10y = 143

Solving
13 + 10y = 143

Solving for variable 'y'.

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

Add '-13' to each side of the equation.
13 + -13 + 10y = 143 + -13

Combine like terms: 13 + -13 = 0
0 + 10y = 143 + -13
10y = 143 + -13

Combine like terms: 143 + -13 = 130
10y = 130

Divide each side by '10'.
y = 13

Simplifying
y = 13

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