If 4a - 3 = 9, what is the value of 4a + 1?!
A: 13
B: 3
C:49
D: 5
2 answers:
Answer:
A: 13
Step-by-step explanation:
4a-3 = 9
add 3 to both sides
4a-3 = 9
+3 +3
the -3 and +3 will cancel each other out
and from adding the 3 to the 9 will turn the 9 into 12!
Now your equation will look like this
4a = 12
Next divide both sides by 4. the 4 will cancel out the other 4.\
now you will have your answer
a = 3
so now substitute the A with 3 in
4a+1
so it will be
4(3)+1
4 times 3 is equal to 12
then 12+1 = 13
I hope this helps! :)
Answer:
a=3
Step-by-step explanation:
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Step-by-step explanation:
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