a-(4a-4)=7

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


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

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

Reorder the terms:
4 + a + -4a = 7

Combine like terms: a + -4a = -3a
4 + -3a = 7

Solving
4 + -3a = 7

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + -3a = 7 + -4

Combine like terms: 4 + -4 = 0
0 + -3a = 7 + -4
-3a = 7 + -4

Combine like terms: 7 + -4 = 3
-3a = 3

Divide each side by '-3'.
a = -1

Simplifying
a = -1

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