Three times a number added to 4, is 7. Find the number.
2 answers:
Answer:
1
Step-by-step explanation: 1x3=3+4=7
Answer:
4
+
3
n 5
--------- = --------- solved in n=27
7+n 2
step-by-step explanation:
First, let the number we are looking for be represented by n
.
"three times a number" can then be written as 3
n
.
3
n "added to 4" can this be written as 4
+
3
n
"the number plus 7" can be written as n
+
7
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79+37=116
180-116=64
Answer- 64
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Answer:
n= 1
Step-by-step explanation:
7+3(n-1)
10(n-1)
10n=10
n=10/10
n=1
Answer:
2×5 = 4×(j+3)
10 = 4j + 12
10 - 12 = 4j.
-2 = 4j.
j = -2/4.
j= -0.5 or -1/2
A. 168 cm.
V=lwh
4 x 7 x 6 = 168 .
