3a+4+b+2a+5+b=x

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Solution for 3a+4+b+2a+5+b=x equation:


Simplifying
3a + 4 + b + 2a + 5 + b = x

Reorder the terms:
4 + 5 + 3a + 2a + b + b = x

Combine like terms: 4 + 5 = 9
9 + 3a + 2a + b + b = x

Combine like terms: 3a + 2a = 5a
9 + 5a + b + b = x

Combine like terms: b + b = 2b
9 + 5a + 2b = x

Solving
9 + 5a + 2b = x

Solving for variable 'a'.

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

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

Reorder the terms:
9 + -9 + 5a + 2b = -9 + x

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

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

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

Divide each side by '5'.
a = -1.8 + -0.4b + 0.2x

Simplifying
a = -1.8 + -0.4b + 0.2x

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