=a+7-5a

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Solution for =a+7-5a equation: 


Simplifying
0 = a + 7 + -5a

Reorder the terms:
0 = 7 + a + -5a

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

Solving
0 = 7 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
0 + 4a = 7 + -4a + 4a
Remove the zero:
4a = 7 + -4a + 4a

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

Divide each side by '4'.
a = 1.75

Simplifying
a = 1.75

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