6(5a-7)=42

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Solution for 6(5a-7)=42 equation:


Simplifying
6(5a + -7) = 42

Reorder the terms:
6(-7 + 5a) = 42
(-7 * 6 + 5a * 6) = 42
(-42 + 30a) = 42

Solving
-42 + 30a = 42

Solving for variable 'a'.

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

Add '42' to each side of the equation.
-42 + 42 + 30a = 42 + 42

Combine like terms: -42 + 42 = 0
0 + 30a = 42 + 42
30a = 42 + 42

Combine like terms: 42 + 42 = 84
30a = 84

Divide each side by '30'.
a = 2.8

Simplifying
a = 2.8

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