2(2b-9)=a+3b

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Solution for 2(2b-9)=a+3b equation:


Simplifying
2(2b + -9) = a + 3b

Reorder the terms:
2(-9 + 2b) = a + 3b
(-9 * 2 + 2b * 2) = a + 3b
(-18 + 4b) = a + 3b

Solving
-18 + 4b = a + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
-18 + 4b + -3b = a + 3b + -3b

Combine like terms: 4b + -3b = 1b
-18 + 1b = a + 3b + -3b

Combine like terms: 3b + -3b = 0
-18 + 1b = a + 0
-18 + 1b = a

Add '18' to each side of the equation.
-18 + 18 + 1b = 18 + a

Combine like terms: -18 + 18 = 0
0 + 1b = 18 + a
1b = 18 + a

Divide each side by '1'.
b = 18 + a

Simplifying
b = 18 + a

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