9a+17=7(3+a)

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Solution for 9a+17=7(3+a) equation:


Simplifying
9a + 17 = 7(3 + a)

Reorder the terms:
17 + 9a = 7(3 + a)
17 + 9a = (3 * 7 + a * 7)
17 + 9a = (21 + 7a)

Solving
17 + 9a = 21 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
17 + 9a + -7a = 21 + 7a + -7a

Combine like terms: 9a + -7a = 2a
17 + 2a = 21 + 7a + -7a

Combine like terms: 7a + -7a = 0
17 + 2a = 21 + 0
17 + 2a = 21

Add '-17' to each side of the equation.
17 + -17 + 2a = 21 + -17

Combine like terms: 17 + -17 = 0
0 + 2a = 21 + -17
2a = 21 + -17

Combine like terms: 21 + -17 = 4
2a = 4

Divide each side by '2'.
a = 2

Simplifying
a = 2

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