desmondpacheco desmondpacheco

04-06-2019
Mathematics

contestada

-7x+8y=39 find the value of y when x equals -9

Respuesta :

EmmaRoseAndre EmmaRoseAndre

04-06-2019

-7x+8y=39

x=-9

-7×-9+8y=39

63+8y=39

8y=39-63

8y=-24

y=-24÷8

y=-3

Answer Link

Otras preguntas

Can you help me pls

Which expression is equivalent to 3\dfrac78 - 6\dfrac143 8 7 −6 4 1 3, start fraction, 7, divided by, 8, end fraction, minus, 6, start fraction, 1, di

16. Solve this equation for A: A = 2 = 4 A. 6 old B. 8 C. 2 D.4

What glands of the endocrine system are near the lymph nodes?

Rewrite the following equation in logarithmic form. 0.25 = 2^-2 Rewrite the following equation in exponential form. log8 (512) = 3

Nadine promised to meet her friend at a store but she forgot which store. There are five stores in town. What is the probability that Nadine will go to the rig

make x the subject of the formula a(x+b)=cpls help meeeee

what does oberon plan to do to titania

Which events caused a shortage of labor and gave workers more power in late medieval Europe? A. The Black Death B. The Hundred Years’ War C. The peasants’ revol

Which statement is true about the Internet connection cost? It costs $5 per hour to connect to the Internet at the gaming store, The first half hour is free, an