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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