3a-1+7a+11=7a-5

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Solution for 3a-1+7a+11=7a-5 equation:


Simplifying
3a + -1 + 7a + 11 = 7a + -5

Reorder the terms:
-1 + 11 + 3a + 7a = 7a + -5

Combine like terms: -1 + 11 = 10
10 + 3a + 7a = 7a + -5

Combine like terms: 3a + 7a = 10a
10 + 10a = 7a + -5

Reorder the terms:
10 + 10a = -5 + 7a

Solving
10 + 10a = -5 + 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.
10 + 10a + -7a = -5 + 7a + -7a

Combine like terms: 10a + -7a = 3a
10 + 3a = -5 + 7a + -7a

Combine like terms: 7a + -7a = 0
10 + 3a = -5 + 0
10 + 3a = -5

Add '-10' to each side of the equation.
10 + -10 + 3a = -5 + -10

Combine like terms: 10 + -10 = 0
0 + 3a = -5 + -10
3a = -5 + -10

Combine like terms: -5 + -10 = -15
3a = -15

Divide each side by '3'.
a = -5

Simplifying
a = -5

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