4a+3=-15

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Solution for 4a+3=-15 equation: 


Simplifying
4a + 3 = -15

Reorder the terms:
3 + 4a = -15

Solving
3 + 4a = -15

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 4a = -15 + -3

Combine like terms: 3 + -3 = 0
0 + 4a = -15 + -3
4a = -15 + -3

Combine like terms: -15 + -3 = -18
4a = -18

Divide each side by '4'.
a = -4.5

Simplifying
a = -4.5

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