Question

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Answer 1

a) x=7×3 -> x=21
b)x=-3×4 -> x=-12
c)2x=4×5 -> x=20÷2 -> x=10
d)2x=-10×3 -> x=-30÷2 -> x=-15
e)3x=30×4 -> x= 120÷3 -> x= 40
f)2x=-18×5 -> x=-90÷2 -> x=-45