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

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


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

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

Reorder the terms:
7 + 7a = -7(-3 + a)
7 + 7a = (-3 * -7 + a * -7)
7 + 7a = (21 + -7a)

Solving
7 + 7a = 21 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
7 + 7a + 7a = 21 + -7a + 7a

Combine like terms: 7a + 7a = 14a
7 + 14a = 21 + -7a + 7a

Combine like terms: -7a + 7a = 0
7 + 14a = 21 + 0
7 + 14a = 21

Add '-7' to each side of the equation.
7 + -7 + 14a = 21 + -7

Combine like terms: 7 + -7 = 0
0 + 14a = 21 + -7
14a = 21 + -7

Combine like terms: 21 + -7 = 14
14a = 14

Divide each side by '14'.
a = 1

Simplifying
a = 1

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