A*2-7a+9=15

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Solution for A*2-7a+9=15 equation:


Simplifying
A * 2 + -7a + 9 = 15

Reorder the terms for easier multiplication:
2A + -7a + 9 = 15

Reorder the terms:
9 + 2A + -7a = 15

Solving
9 + 2A + -7a = 15

Solving for variable 'A'.

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

Add '-9' to each side of the equation.
9 + 2A + -9 + -7a = 15 + -9

Reorder the terms:
9 + -9 + 2A + -7a = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 2A + -7a = 15 + -9
2A + -7a = 15 + -9

Combine like terms: 15 + -9 = 6
2A + -7a = 6

Add '7a' to each side of the equation.
2A + -7a + 7a = 6 + 7a

Combine like terms: -7a + 7a = 0
2A + 0 = 6 + 7a
2A = 6 + 7a

Divide each side by '2'.
A = 3 + 3.5a

Simplifying
A = 3 + 3.5a

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