3a+10-4a=9

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Solution for 3a+10-4a=9 equation:


Simplifying
3a + 10 + -4a = 9

Reorder the terms:
10 + 3a + -4a = 9

Combine like terms: 3a + -4a = -1a
10 + -1a = 9

Solving
10 + -1a = 9

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + -1a = 9 + -10

Combine like terms: 10 + -10 = 0
0 + -1a = 9 + -10
-1a = 9 + -10

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

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

Simplifying
a = 1

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