Question

DE LA PUNCTUL D
PLSSS DAU COROANA

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Answer 1

d) -2² * 7³ = 7²*x

49x = 4*343

x = 1372:49

x = 28

e) -2² * 3 = -6x

4*3 = -6x

-6x = 12

x = -2

f) (2+3)x = -15

5x = -15

x = -3

g) (79-84)x = -10

-5x = -10

x = 2