-7-7a=-(3a+3)

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


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

Reorder the terms:
-7 + -7a = -1(3 + 3a)
-7 + -7a = (3 * -1 + 3a * -1)
-7 + -7a = (-3 + -3a)

Solving
-7 + -7a = -3 + -3a

Solving for variable 'a'.

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

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

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

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

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

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

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

Divide each side by '-4'.
a = -1

Simplifying
a = -1

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