34a-4(5a+2)=21

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Solution for 34a-4(5a+2)=21 equation:


Simplifying
34a + -4(5a + 2) = 21

Reorder the terms:
34a + -4(2 + 5a) = 21
34a + (2 * -4 + 5a * -4) = 21
34a + (-8 + -20a) = 21

Reorder the terms:
-8 + 34a + -20a = 21

Combine like terms: 34a + -20a = 14a
-8 + 14a = 21

Solving
-8 + 14a = 21

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 14a = 21 + 8

Combine like terms: -8 + 8 = 0
0 + 14a = 21 + 8
14a = 21 + 8

Combine like terms: 21 + 8 = 29
14a = 29

Divide each side by '14'.
a = 2.071428571

Simplifying
a = 2.071428571

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