9a+5=7a+3a-2

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Solution for 9a+5=7a+3a-2 equation:


Simplifying
9a + 5 = 7a + 3a + -2

Reorder the terms:
5 + 9a = 7a + 3a + -2

Reorder the terms:
5 + 9a = -2 + 7a + 3a

Combine like terms: 7a + 3a = 10a
5 + 9a = -2 + 10a

Solving
5 + 9a = -2 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
5 + 9a + -10a = -2 + 10a + -10a

Combine like terms: 9a + -10a = -1a
5 + -1a = -2 + 10a + -10a

Combine like terms: 10a + -10a = 0
5 + -1a = -2 + 0
5 + -1a = -2

Add '-5' to each side of the equation.
5 + -5 + -1a = -2 + -5

Combine like terms: 5 + -5 = 0
0 + -1a = -2 + -5
-1a = -2 + -5

Combine like terms: -2 + -5 = -7
-1a = -7

Divide each side by '-1'.
a = 7

Simplifying
a = 7

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