ashliebermudez356 ashliebermudez356

23-11-2020
Mathematics

contestada

7/2x + 1/2x = 2 1/2 + 9/2x
solve.

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veronicaysemin veronicaysemin

23-11-2020

Answer:

x = -121

Step-by-step explanation:

(7/2)*x+(1/2)*x = (9/2)*x+121/2 // - (9/2)*x+121/2

(7/2)*x+(1/2)*x-((9/2)*x)-(121/2) = 0

(7/2)*x+(1/2)*x+(-9/2)*x-121/2 = 0

-1/2*x-121/2 = 0 // + 121/2

-1/2*x = 121/2 // : -1/2

x = 121/2/(-1/2)

x = -121

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