2a-3=2(a+1)+7a+4

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Solution for 2a-3=2(a+1)+7a+4 equation:


Simplifying
2a + -3 = 2(a + 1) + 7a + 4

Reorder the terms:
-3 + 2a = 2(a + 1) + 7a + 4

Reorder the terms:
-3 + 2a = 2(1 + a) + 7a + 4
-3 + 2a = (1 * 2 + a * 2) + 7a + 4
-3 + 2a = (2 + 2a) + 7a + 4

Reorder the terms:
-3 + 2a = 2 + 4 + 2a + 7a

Combine like terms: 2 + 4 = 6
-3 + 2a = 6 + 2a + 7a

Combine like terms: 2a + 7a = 9a
-3 + 2a = 6 + 9a

Solving
-3 + 2a = 6 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-3 + 2a + -9a = 6 + 9a + -9a

Combine like terms: 2a + -9a = -7a
-3 + -7a = 6 + 9a + -9a

Combine like terms: 9a + -9a = 0
-3 + -7a = 6 + 0
-3 + -7a = 6

Add '3' to each side of the equation.
-3 + 3 + -7a = 6 + 3

Combine like terms: -3 + 3 = 0
0 + -7a = 6 + 3
-7a = 6 + 3

Combine like terms: 6 + 3 = 9
-7a = 9

Divide each side by '-7'.
a = -1.285714286

Simplifying
a = -1.285714286

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