-5+9=a+5-7

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Solution for -5+9=a+5-7 equation:


Simplifying
-5 + 9 = a + 5 + -7

Combine like terms: -5 + 9 = 4
4 = a + 5 + -7

Reorder the terms:
4 = 5 + -7 + a

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

Solving
4 = -2 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
4 + -1a = -2 + a + -1a

Combine like terms: a + -1a = 0
4 + -1a = -2 + 0
4 + -1a = -2

Add '-4' to each side of the equation.
4 + -4 + -1a = -2 + -4

Combine like terms: 4 + -4 = 0
0 + -1a = -2 + -4
-1a = -2 + -4

Combine like terms: -2 + -4 = -6
-1a = -6

Divide each side by '-1'.
a = 6

Simplifying
a = 6

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