makenzim1882 makenzim1882

04-03-2020
Mathematics

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Help Please and Thank You!
−5(x + 6) = 15
(A) x = 9
(B) x = 3
(C) x = -9
(D) x = 21//5
(E) x = -21/5

Respuesta :

04-03-2020

Step-by-step explanation:

expand the bracke

so -5(X+6) is -5x-30=15

so

-5x-30=15 ( add 30 so that no number in the equation) 15+30 is 45

-5x=45(divide by 5 as 45 is multiple of 5)

45/-5=-9 (positive / negative is negative)

X=-9

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