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Question
Write the given equation in statement form:
p + 4 = 15
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Solution
The sum of p and 4 is 15.
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Complete the entries in the third column of the table.
|
S.No. |
Equation |
Value of variable |
Equation satisfied Yes/No |
|
(a) |
10y = 80 |
y = 10 |
______ |
|
(b) |
10y = 80 |
y = 8 |
______ |
|
(c) |
10y = 80 |
y = 5 |
______ |
|
(d) |
4l = 20 |
l = 20 |
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|
(e) |
4l = 20 |
l = 80 |
______ |
|
(f) |
4l = 20 |
l = 5 |
______ |
|
(g) |
b + 5 = 9 |
b = 5 |
______ |
|
(h) |
b + 5 = 9 |
b = 9 |
______ |
|
(i) |
b + 5 = 9 |
b = 4 |
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|
(j) |
h − 8 = 5 |
h = 13 |
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|
(k) |
h − 8 = 5 |
h = 8 |
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|
(l) |
h − 8 = 5 |
h = 0 |
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|
(m) |
p + 3 = 1 |
p = 3 |
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|
(n) |
p + 3 = 1 |
p = 1 |
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|
(o) |
p + 3 = 1 |
p = 0 |
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|
(p) |
p + 3 = 1 |
p = − 1 |
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|
(q) |
p + 3 = 1 |
p = − 2 |
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Complete the table and by inspection of the table, find the solution to the equation 5t = 35.
|
t |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
______ |
|
5t |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
