4a-9a+15b-7b=

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Solution for 4a-9a+15b-7b= equation:


Simplifying
4a + -9a + 15b + -7b = 0

Combine like terms: 4a + -9a = -5a
-5a + 15b + -7b = 0

Combine like terms: 15b + -7b = 8b
-5a + 8b = 0

Solving
-5a + 8b = 0

Solving for variable 'a'.

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

Add '-8b' to each side of the equation.
-5a + 8b + -8b = 0 + -8b

Combine like terms: 8b + -8b = 0
-5a + 0 = 0 + -8b
-5a = 0 + -8b
Remove the zero:
-5a = -8b

Divide each side by '-5'.
a = 1.6b

Simplifying
a = 1.6b

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