a(4)=19+(4-1)(10)

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Solution for a(4)=19+(4-1)(10) equation: 


Simplifying
a(4) = 19 + (4 + -1)(10)

Reorder the terms for easier multiplication:
4a = 19 + (4 + -1)(10)

Combine like terms: 4 + -1 = 3
4a = 19 + (3)(10)

Multiply 3 * 10
4a = 19 + 30

Combine like terms: 19 + 30 = 49
4a = 49

Solving
4a = 49

Solving for variable 'a'.

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

Divide each side by '4'.
a = 12.25

Simplifying
a = 12.25

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