10y+7a+2-5a-7y+11=

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Solution for 10y+7a+2-5a-7y+11= equation:


Simplifying
10y + 7a + 2 + -5a + -7y + 11 = 0

Reorder the terms:
2 + 11 + 7a + -5a + 10y + -7y = 0

Combine like terms: 2 + 11 = 13
13 + 7a + -5a + 10y + -7y = 0

Combine like terms: 7a + -5a = 2a
13 + 2a + 10y + -7y = 0

Combine like terms: 10y + -7y = 3y
13 + 2a + 3y = 0

Solving
13 + 2a + 3y = 0

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + 2a + -13 + 3y = 0 + -13

Reorder the terms:
13 + -13 + 2a + 3y = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 2a + 3y = 0 + -13
2a + 3y = 0 + -13

Combine like terms: 0 + -13 = -13
2a + 3y = -13

Add '-3y' to each side of the equation.
2a + 3y + -3y = -13 + -3y

Combine like terms: 3y + -3y = 0
2a + 0 = -13 + -3y
2a = -13 + -3y

Divide each side by '2'.
a = -6.5 + -1.5y

Simplifying
a = -6.5 + -1.5y

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