5-6a+7+2a=8a-2-15a+5

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Solution for 5-6a+7+2a=8a-2-15a+5 equation:


Simplifying
5 + -6a + 7 + 2a = 8a + -2 + -15a + 5

Reorder the terms:
5 + 7 + -6a + 2a = 8a + -2 + -15a + 5

Combine like terms: 5 + 7 = 12
12 + -6a + 2a = 8a + -2 + -15a + 5

Combine like terms: -6a + 2a = -4a
12 + -4a = 8a + -2 + -15a + 5

Reorder the terms:
12 + -4a = -2 + 5 + 8a + -15a

Combine like terms: -2 + 5 = 3
12 + -4a = 3 + 8a + -15a

Combine like terms: 8a + -15a = -7a
12 + -4a = 3 + -7a

Solving
12 + -4a = 3 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
12 + -4a + 7a = 3 + -7a + 7a

Combine like terms: -4a + 7a = 3a
12 + 3a = 3 + -7a + 7a

Combine like terms: -7a + 7a = 0
12 + 3a = 3 + 0
12 + 3a = 3

Add '-12' to each side of the equation.
12 + -12 + 3a = 3 + -12

Combine like terms: 12 + -12 = 0
0 + 3a = 3 + -12
3a = 3 + -12

Combine like terms: 3 + -12 = -9
3a = -9

Divide each side by '3'.
a = -3

Simplifying
a = -3

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