-a+3+7=3a

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


Simplifying
-1a + 3 + 7 = 3a

Reorder the terms:
3 + 7 + -1a = 3a

Combine like terms: 3 + 7 = 10
10 + -1a = 3a

Solving
10 + -1a = 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.
10 + -1a + -3a = 3a + -3a

Combine like terms: -1a + -3a = -4a
10 + -4a = 3a + -3a

Combine like terms: 3a + -3a = 0
10 + -4a = 0

Add '-10' to each side of the equation.
10 + -10 + -4a = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -4a = 0 + -10
-4a = 0 + -10

Combine like terms: 0 + -10 = -10
-4a = -10

Divide each side by '-4'.
a = 2.5

Simplifying
a = 2.5

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