4(a-3)=a+30

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Solution for 4(a-3)=a+30 equation:


Simplifying
4(a + -3) = a + 30

Reorder the terms:
4(-3 + a) = a + 30
(-3 * 4 + a * 4) = a + 30
(-12 + 4a) = a + 30

Reorder the terms:
-12 + 4a = 30 + a

Solving
-12 + 4a = 30 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-12 + 4a + -1a = 30 + a + -1a

Combine like terms: 4a + -1a = 3a
-12 + 3a = 30 + a + -1a

Combine like terms: a + -1a = 0
-12 + 3a = 30 + 0
-12 + 3a = 30

Add '12' to each side of the equation.
-12 + 12 + 3a = 30 + 12

Combine like terms: -12 + 12 = 0
0 + 3a = 30 + 12
3a = 30 + 12

Combine like terms: 30 + 12 = 42
3a = 42

Divide each side by '3'.
a = 14

Simplifying
a = 14

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