2a+5=-2a-7

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Solution for 2a+5=-2a-7 equation:


Simplifying
2a + 5 = -2a + -7

Reorder the terms:
5 + 2a = -2a + -7

Reorder the terms:
5 + 2a = -7 + -2a

Solving
5 + 2a = -7 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
5 + 2a + 2a = -7 + -2a + 2a

Combine like terms: 2a + 2a = 4a
5 + 4a = -7 + -2a + 2a

Combine like terms: -2a + 2a = 0
5 + 4a = -7 + 0
5 + 4a = -7

Add '-5' to each side of the equation.
5 + -5 + 4a = -7 + -5

Combine like terms: 5 + -5 = 0
0 + 4a = -7 + -5
4a = -7 + -5

Combine like terms: -7 + -5 = -12
4a = -12

Divide each side by '4'.
a = -3

Simplifying
a = -3

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