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

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


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

Reorder the terms:
12a + -3b + -4(-4a + 7b) = 0
12a + -3b + (-4a * -4 + 7b * -4) = 0
12a + -3b + (16a + -28b) = 0

Reorder the terms:
12a + 16a + -3b + -28b = 0

Combine like terms: 12a + 16a = 28a
28a + -3b + -28b = 0

Combine like terms: -3b + -28b = -31b
28a + -31b = 0

Solving
28a + -31b = 0

Solving for variable 'a'.

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

Add '31b' to each side of the equation.
28a + -31b + 31b = 0 + 31b

Combine like terms: -31b + 31b = 0
28a + 0 = 0 + 31b
28a = 0 + 31b
Remove the zero:
28a = 31b

Divide each side by '28'.
a = 1.107142857b

Simplifying
a = 1.107142857b

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