16-a+4a=7

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Solution for 16-a+4a=7 equation:


Simplifying
16 + -1a + 4a = 7

Combine like terms: -1a + 4a = 3a
16 + 3a = 7

Solving
16 + 3a = 7

Solving for variable 'a'.

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

Add '-16' to each side of the equation.
16 + -16 + 3a = 7 + -16

Combine like terms: 16 + -16 = 0
0 + 3a = 7 + -16
3a = 7 + -16

Combine like terms: 7 + -16 = -9
3a = -9

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

Simplifying
a = -3

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