3(4a-3)-(4a-4)=7-(5a-1)

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Solution for 3(4a-3)-(4a-4)=7-(5a-1) equation:


Simplifying
3(4a + -3) + -1(4a + -4) = 7 + -1(5a + -1)

Reorder the terms:
3(-3 + 4a) + -1(4a + -4) = 7 + -1(5a + -1)
(-3 * 3 + 4a * 3) + -1(4a + -4) = 7 + -1(5a + -1)
(-9 + 12a) + -1(4a + -4) = 7 + -1(5a + -1)

Reorder the terms:
-9 + 12a + -1(-4 + 4a) = 7 + -1(5a + -1)
-9 + 12a + (-4 * -1 + 4a * -1) = 7 + -1(5a + -1)
-9 + 12a + (4 + -4a) = 7 + -1(5a + -1)

Reorder the terms:
-9 + 4 + 12a + -4a = 7 + -1(5a + -1)

Combine like terms: -9 + 4 = -5
-5 + 12a + -4a = 7 + -1(5a + -1)

Combine like terms: 12a + -4a = 8a
-5 + 8a = 7 + -1(5a + -1)

Reorder the terms:
-5 + 8a = 7 + -1(-1 + 5a)
-5 + 8a = 7 + (-1 * -1 + 5a * -1)
-5 + 8a = 7 + (1 + -5a)

Combine like terms: 7 + 1 = 8
-5 + 8a = 8 + -5a

Solving
-5 + 8a = 8 + -5a

Solving for variable 'a'.

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

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

Combine like terms: 8a + 5a = 13a
-5 + 13a = 8 + -5a + 5a

Combine like terms: -5a + 5a = 0
-5 + 13a = 8 + 0
-5 + 13a = 8

Add '5' to each side of the equation.
-5 + 5 + 13a = 8 + 5

Combine like terms: -5 + 5 = 0
0 + 13a = 8 + 5
13a = 8 + 5

Combine like terms: 8 + 5 = 13
13a = 13

Divide each side by '13'.
a = 1

Simplifying
a = 1

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