Question

ii x-5=4
Tu-15=-22
1 Solve for the unknown.
Exercise 8A
ir-5 = 6
iii x-7 = 18
* X-30 = 72
x-23 = -143
1
x-10=63
vic-
ix x - 15 = -29
2
Xt- 114 = 26
2 Solve for the unknown.
X-86 = 42
k-64 = 164
i 4 = 5x - 6
ii 5x – 3 = 12
8(x + 3) + 2 = 42
* 3(x + 1) = 6
1 76m - 9) = 35
16 - 3(x – 7) = -14 vii 3(x + 5) = 15
* 5x + 8(2x – 9) = 54
hi 12(3 – x) = 48
X 4 = 5x + 6
xi -16 = -a -2
* 3(x + 1) = 6
yiti 7(x – 9) = 35
12(3- a) = 24
X a
7(x + 3) + 2 = 44 xviii 3(x - 5) - 7 = 14
5(x - 9) = 25
x 5
6
3
4
3
4 2
6
11
x = 7
1
xxvi
- 4.5
5
=-11
xxvii
7
wyti
3
9
x
= -39
x=8
X=
4
- 18
-4
2
5
9
3 What is the number?
Twice a number is equal to 40.
ii Five times a number is equal to 30.
iii Half of a number is 16.
ir Eight times a number is 32.
I thought of a number. If I multiply this number by 9, the number will be 117.
x 30 = 6(8 + x)
I = 20
m
1
= 0.03
0.03
X
XXV
8
ry
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Answer 1

Answer:

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