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x(0.07) = 55 x = 55 / (0.07) x = 785.7142857...
1) 5x2-55=90 +55 +55 2) 10x=145 /10 /10 x=14.5
61
To get 55 without addition or subtraction you need to use multiplying and dividing. 5*11=55 550/10=55
$44. Solve by dividing $55 by 1.25.