3a+4(a-3)=

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


Simplifying
3a + 4(a + -3) = 0

Reorder the terms:
3a + 4(-3 + a) = 0
3a + (-3 * 4 + a * 4) = 0
3a + (-12 + 4a) = 0

Reorder the terms:
-12 + 3a + 4a = 0

Combine like terms: 3a + 4a = 7a
-12 + 7a = 0

Solving
-12 + 7a = 0

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 7a = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 7a = 0 + 12
7a = 0 + 12

Combine like terms: 0 + 12 = 12
7a = 12

Divide each side by '7'.
a = 1.714285714

Simplifying
a = 1.714285714

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