3(2a-7b)+5(4b-3a)=

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Solution for 3(2a-7b)+5(4b-3a)= equation:


Simplifying
3(2a + -7b) + 5(4b + -3a) = 0
(2a * 3 + -7b * 3) + 5(4b + -3a) = 0
(6a + -21b) + 5(4b + -3a) = 0

Reorder the terms:
6a + -21b + 5(-3a + 4b) = 0
6a + -21b + (-3a * 5 + 4b * 5) = 0
6a + -21b + (-15a + 20b) = 0

Reorder the terms:
6a + -15a + -21b + 20b = 0

Combine like terms: 6a + -15a = -9a
-9a + -21b + 20b = 0

Combine like terms: -21b + 20b = -1b
-9a + -1b = 0

Solving
-9a + -1b = 0

Solving for variable 'a'.

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

Add 'b' to each side of the equation.
-9a + -1b + b = 0 + b

Combine like terms: -1b + b = 0
-9a + 0 = 0 + b
-9a = 0 + b
Remove the zero:
-9a = b

Divide each side by '-9'.
a = -0.1111111111b

Simplifying
a = -0.1111111111b

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