A(9)=-7+(9-1)(4)

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Solution for A(9)=-7+(9-1)(4) equation: 


Simplifying
A(9) = -7 + (9 + -1)(4)

Reorder the terms for easier multiplication:
9A = -7 + (9 + -1)(4)

Combine like terms: 9 + -1 = 8
9A = -7 + (8)(4)

Multiply 8 * 4
9A = -7 + 32

Combine like terms: -7 + 32 = 25
9A = 25

Solving
9A = 25

Solving for variable 'A'.

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

Divide each side by '9'.
A = 2.777777778

Simplifying
A = 2.777777778

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