Question

Exercise 7.1
1.
a) x-1 <4
b) y> 5
c) X-9 = 12
2.
on.
a) x + 3 = 5
b) 5y = 10
5y
10
x + 3 – 3 = 5 - _
c) z-6=5
el!!
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z - 6+___= 5 + 6
TA
Which of the following algebraic equations are linear equations and why?
Complete the following:
Write an equation of the form lx + m=n, where l, m and n are constants, such that l = 2, m=3
4. Find the value of the variable by trial and error method.
5. Find the value of the variable by systematic method.
6. Find the solution of the equation by transposition method.
6 = 5
d) 8+ y +2 = 5
d) * = 2
— Xx
= 2 x 14
14
z =
c) 3x = 16
4x
5
b) 3y -4 = 16 c) 2 + 16 = 30
7x
25
b) 2x – 4 = 46
3x
6
- 8=15
3.
and n=0.
a) x – 6 = 15
b) x + 12 = 35
d)
a) 2x + 12 = 20
a) 22 +22 = 12
c)
d) 3x – 7 = 14
linear Equatic​

Answer 1

Answer:

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