3a-7=2(a+1)+10a+1

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Solution for 3a-7=2(a+1)+10a+1 equation:


Simplifying
3a + -7 = 2(a + 1) + 10a + 1

Reorder the terms:
-7 + 3a = 2(a + 1) + 10a + 1

Reorder the terms:
-7 + 3a = 2(1 + a) + 10a + 1
-7 + 3a = (1 * 2 + a * 2) + 10a + 1
-7 + 3a = (2 + 2a) + 10a + 1

Reorder the terms:
-7 + 3a = 2 + 1 + 2a + 10a

Combine like terms: 2 + 1 = 3
-7 + 3a = 3 + 2a + 10a

Combine like terms: 2a + 10a = 12a
-7 + 3a = 3 + 12a

Solving
-7 + 3a = 3 + 12a

Solving for variable 'a'.

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

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

Combine like terms: 3a + -12a = -9a
-7 + -9a = 3 + 12a + -12a

Combine like terms: 12a + -12a = 0
-7 + -9a = 3 + 0
-7 + -9a = 3

Add '7' to each side of the equation.
-7 + 7 + -9a = 3 + 7

Combine like terms: -7 + 7 = 0
0 + -9a = 3 + 7
-9a = 3 + 7

Combine like terms: 3 + 7 = 10
-9a = 10

Divide each side by '-9'.
a = -1.111111111

Simplifying
a = -1.111111111

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