c) 518 + 319 + (-18) + (-319)
7) Find:
a) (-36) ÷ (-4) = …………………
9) Find X :
-5 x X = 45
X x (4X – 13) = (9 X 4) X (-13)
10) Put , or = :
c) l-64l ÷ (-8) 35 ÷ (-5)
d) -4 X l-8l 2(-16)
11) Write the following set:
a) X < -1 b) X > 7 c) -4 < X < 4
12) If a = 7 , b = -2 and c = -5 then Find :
1) a – (b + c) = 0
2) (b +c) – (-a) = -14
13) Represent on number line:
a) -3 - 3
b) -5 + 7
c) 2- (-3)