3a + 12 = 15
what is the answer
Answers
Answered by
1
Answer:
3a = 15-12=3
Step-by-step explanation:
3a=3,so 3×a=3 so a=1
Answered by
0
Solution for 3a-12=15 equation:
Simplifying
3a + -12 = 15
Reorder the terms:
-12 + 3a = 15
Solving
-12 + 3a = 15
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 + 3a = 15 + 12
Combine like terms: -12 + 12 = 0
0 + 3a = 15 + 12
3a = 15 + 12
Combine like terms: 15 + 12 = 27
3a = 27
Divide each side by '3'.
a = 9
Simplifying
a = 9
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