Add an equation and answer

Currently temperature = 35°F

Rate of descend = 4°F

We have to reach = -1°F

Temperature to get cooled down = |-1 + 35| (The two lines mean absolute value)

=> 36°F

Hours = Total temperature to get cooled / Rate

=> 36 / 4

=> 9 hours

Equation = 4x = |1 + 35|

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the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.