4a-7=2(a+1)+9a+1

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Solution for 4a-7=2(a+1)+9a+1 equation:


Simplifying
4a + -7 = 2(a + 1) + 9a + 1

Reorder the terms:
-7 + 4a = 2(a + 1) + 9a + 1

Reorder the terms:
-7 + 4a = 2(1 + a) + 9a + 1
-7 + 4a = (1 * 2 + a * 2) + 9a + 1
-7 + 4a = (2 + 2a) + 9a + 1

Reorder the terms:
-7 + 4a = 2 + 1 + 2a + 9a

Combine like terms: 2 + 1 = 3
-7 + 4a = 3 + 2a + 9a

Combine like terms: 2a + 9a = 11a
-7 + 4a = 3 + 11a

Solving
-7 + 4a = 3 + 11a

Solving for variable 'a'.

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

Add '-11a' to each side of the equation.
-7 + 4a + -11a = 3 + 11a + -11a

Combine like terms: 4a + -11a = -7a
-7 + -7a = 3 + 11a + -11a

Combine like terms: 11a + -11a = 0
-7 + -7a = 3 + 0
-7 + -7a = 3

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

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

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

Divide each side by '-7'.
a = -1.428571429

Simplifying
a = -1.428571429

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