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

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


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

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

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

Combine like terms: -7 + 7 = 0
0 + 3a = -7 + 7 + (-3a)
3a = -7 + 7 + (-3a)

Combine like terms: -7 + 7 = 0
3a = 0 + (-3a)
3a = (-3a)

Solving
3a = (-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.
3a + (3a) = (-3a) + (3a)

Combine like terms: 3a + (3a) = 6a
6a = (-3a) + (3a)

Combine like terms: (-3a) + (3a) = 0
6a = 0

Divide each side by '6'.
a = 0

Simplifying
a = 0

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