10x+5+4a=9

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Solution for 10x+5+4a=9 equation:


Simplifying
10x + 5 + 4a = 9

Reorder the terms:
5 + 4a + 10x = 9

Solving
5 + 4a + 10x = 9

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + 4a + -5 + 10x = 9 + -5

Reorder the terms:
5 + -5 + 4a + 10x = 9 + -5

Combine like terms: 5 + -5 = 0
0 + 4a + 10x = 9 + -5
4a + 10x = 9 + -5

Combine like terms: 9 + -5 = 4
4a + 10x = 4

Add '-10x' to each side of the equation.
4a + 10x + -10x = 4 + -10x

Combine like terms: 10x + -10x = 0
4a + 0 = 4 + -10x
4a = 4 + -10x

Divide each side by '4'.
a = 1 + -2.5x

Simplifying
a = 1 + -2.5x

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