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

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


Simplifying
-3(2a + -4b) + -7(a + -1b) = 0
(2a * -3 + -4b * -3) + -7(a + -1b) = 0
(-6a + 12b) + -7(a + -1b) = 0
-6a + 12b + (a * -7 + -1b * -7) = 0
-6a + 12b + (-7a + 7b) = 0

Reorder the terms:
-6a + -7a + 12b + 7b = 0

Combine like terms: -6a + -7a = -13a
-13a + 12b + 7b = 0

Combine like terms: 12b + 7b = 19b
-13a + 19b = 0

Solving
-13a + 19b = 0

Solving for variable 'a'.

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

Add '-19b' to each side of the equation.
-13a + 19b + -19b = 0 + -19b

Combine like terms: 19b + -19b = 0
-13a + 0 = 0 + -19b
-13a = 0 + -19b
Remove the zero:
-13a = -19b

Divide each side by '-13'.
a = 1.461538462b

Simplifying
a = 1.461538462b

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