3a-6(6a+7)=-(4-5a)

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Solution for 3a-6(6a+7)=-(4-5a) equation:


Simplifying
3a + -6(6a + 7) = -1(4 + -5a)

Reorder the terms:
3a + -6(7 + 6a) = -1(4 + -5a)
3a + (7 * -6 + 6a * -6) = -1(4 + -5a)
3a + (-42 + -36a) = -1(4 + -5a)

Reorder the terms:
-42 + 3a + -36a = -1(4 + -5a)

Combine like terms: 3a + -36a = -33a
-42 + -33a = -1(4 + -5a)
-42 + -33a = (4 * -1 + -5a * -1)
-42 + -33a = (-4 + 5a)

Solving
-42 + -33a = -4 + 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.
-42 + -33a + -5a = -4 + 5a + -5a

Combine like terms: -33a + -5a = -38a
-42 + -38a = -4 + 5a + -5a

Combine like terms: 5a + -5a = 0
-42 + -38a = -4 + 0
-42 + -38a = -4

Add '42' to each side of the equation.
-42 + 42 + -38a = -4 + 42

Combine like terms: -42 + 42 = 0
0 + -38a = -4 + 42
-38a = -4 + 42

Combine like terms: -4 + 42 = 38
-38a = 38

Divide each side by '-38'.
a = -1

Simplifying
a = -1

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