The initial temperature inside an oven is 74 degrees. Greta turns on the oven, and the temperature increases at a rate of 25 degrees per minute. Let x represent the number of minutes the oven heats, and let y represent the temperature inside the oven. Which equation represents the temperature of the oven after x minutes of heating?

a) y=−25x+74
b) y = 74x + 25
c) y=25x−74
d) y = 25x + 74

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step-by-step explanation

2r= 2300

r =1150

option 3 . (5x + 1) - (-10x + 6)

step-by-step explanation:

option 1 :

(4x + 3) + (-9x + 4)

or 4x+3 -9x + 4

or -5x + 7

option 2

(x - 2) - (6x - 9)

or x-2-6x + 9

or -5x + 7

option 3

(5x+ + 6)

or 5x + 1 + 10x -6

or 15x -5

option 4

-4x+2x+7-3x

-7x + 2x + 7

-5x + 7

hence only option 3 did   not satisfy the given simplify expression.

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: