20a+5b-15=

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Solution for 20a+5b-15= equation:


Simplifying
20a + 5b + -15 = 0

Reorder the terms:
-15 + 20a + 5b = 0

Solving
-15 + 20a + 5b = 0

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 20a + 15 + 5b = 0 + 15

Reorder the terms:
-15 + 15 + 20a + 5b = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 20a + 5b = 0 + 15
20a + 5b = 0 + 15

Combine like terms: 0 + 15 = 15
20a + 5b = 15

Add '-5b' to each side of the equation.
20a + 5b + -5b = 15 + -5b

Combine like terms: 5b + -5b = 0
20a + 0 = 15 + -5b
20a = 15 + -5b

Divide each side by '20'.
a = 0.75 + -0.25b

Simplifying
a = 0.75 + -0.25b

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