2a+2.50b-40a+b=18

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Solution for 2a+2.50b-40a+b=18 equation:


Simplifying
2a + 2.50b + -40a + b = 18

Reorder the terms:
2a + -40a + 2.50b + b = 18

Combine like terms: 2a + -40a = -38a
-38a + 2.50b + b = 18

Combine like terms: 2.50b + b = 3.5b
-38a + 3.5b = 18

Solving
-38a + 3.5b = 18

Solving for variable 'a'.

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

Add '-3.5b' to each side of the equation.
-38a + 3.5b + -3.5b = 18 + -3.5b

Combine like terms: 3.5b + -3.5b = 0.0
-38a + 0.0 = 18 + -3.5b
-38a = 18 + -3.5b

Divide each side by '-38'.
a = -0.4736842105 + 0.09210526316b

Simplifying
a = -0.4736842105 + 0.09210526316b

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