Question

73-5*a=53. b*6+25=43Determina a*b

Answer 1

73-5*a=53

5a=73-53

5a=20

a=20/5=4

b*6+25=43

6b=43-25

6b=18

b=18/6=3

a*b=3*4=12

Answer 2

73-5a=53
=>5a=53-73
=>5a=-20
=>a=-20/5
=>a=-4
=>a=4

b*6+25=43
b*6=43-25
b*6=18
b=18/6
b=3

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=>[tex]a*b=4*3\\ a*b=12[/tex]