Solve the following subtraction problems 17t 13lb 3oz - 9t 20lb 9oz

step-by-step explanation:

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a = 3.14

b = 18

c = 18/5 or 3.6 or 3 3/5

step-by-step explanation:

5=812a+9+3

step 1: simplify both sides of the equation.

5=812a+9+3

5=(812a)+(9+3)(combine like terms)

5=812a+12

5=812a+12

step 2: flip the equation.

812a+12=5

step 3: subtract 12 from both sides.

812a+12−12=5−12

812a=−7

step 4: divide both sides by 812.

812a /812 = -7/812

a= -1/116

so the answer is

a=   -1/116

answer:   c ?

step-by-step explanation: