3a+21=74a

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Solution for 3a+21=74a equation:


Simplifying
3a + 21 = 74a

Reorder the terms:
21 + 3a = 74a

Solving
21 + 3a = 74a

Solving for variable 'a'.

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

Add '-74a' to each side of the equation.
21 + 3a + -74a = 74a + -74a

Combine like terms: 3a + -74a = -71a
21 + -71a = 74a + -74a

Combine like terms: 74a + -74a = 0
21 + -71a = 0

Add '-21' to each side of the equation.
21 + -21 + -71a = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -71a = 0 + -21
-71a = 0 + -21

Combine like terms: 0 + -21 = -21
-71a = -21

Divide each side by '-71'.
a = 0.2957746479

Simplifying
a = 0.2957746479

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