-3(4a-5b)-(a-b)=

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


Simplifying
-3(4a + -5b) + -1(a + -1b) = 0
(4a * -3 + -5b * -3) + -1(a + -1b) = 0
(-12a + 15b) + -1(a + -1b) = 0
-12a + 15b + (a * -1 + -1b * -1) = 0
-12a + 15b + (-1a + 1b) = 0

Reorder the terms:
-12a + -1a + 15b + 1b = 0

Combine like terms: -12a + -1a = -13a
-13a + 15b + 1b = 0

Combine like terms: 15b + 1b = 16b
-13a + 16b = 0

Solving
-13a + 16b = 0

Solving for variable 'a'.

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

Add '-16b' to each side of the equation.
-13a + 16b + -16b = 0 + -16b

Combine like terms: 16b + -16b = 0
-13a + 0 = 0 + -16b
-13a = 0 + -16b
Remove the zero:
-13a = -16b

Divide each side by '-13'.
a = 1.230769231b

Simplifying
a = 1.230769231b

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