1a+2a+-9=4a+-4+-3+a

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Solution for 1a+2a+-9=4a+-4+-3+a equation:


Simplifying
1a + 2a + -9 = 4a + -4 + -3 + a

Reorder the terms:
-9 + 1a + 2a = 4a + -4 + -3 + a

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

Reorder the terms:
-9 + 3a = -4 + -3 + 4a + a

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

Combine like terms: 4a + a = 5a
-9 + 3a = -7 + 5a

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

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-9 + 3a + -5a = -7 + 5a + -5a

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

Combine like terms: 5a + -5a = 0
-9 + -2a = -7 + 0
-9 + -2a = -7

Add '9' to each side of the equation.
-9 + 9 + -2a = -7 + 9

Combine like terms: -9 + 9 = 0
0 + -2a = -7 + 9
-2a = -7 + 9

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

Divide each side by '-2'.
a = -1

Simplifying
a = -1

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