brnathy88 brnathy88

04-05-2021
Mathematics

contestada

The sum of two numbers is 2. Their difference is -16. What is the first number?

Respuesta :

clarch19 clarch19

04-05-2021

Answer:

x = -7

y = 9

Step-by-step explanation:

x + y = 2

x - y = -16

substitute '2-x' for 'y'

x - (2-x) = -16

x - 2 + x = -16

2x - 2 = -16

2x = -14

x = -7

-7 + y = 2

y = 9

Answer Link

Otras preguntas

A student is taking and exam tomorrow as she begins her studies she quickly reviews the material looking for keywords this is an example of

Which of the following describes trade in the Late Middle Ages? A)Far-reaching B) Limited C)Local D)Secret

To determine the amplitude of a wave, you would need to know the

Find the gcf. 12 and 45 a. 180 b. 3 c. 45 d. 12

Simplify : -7(x-y-2z)

If f(x) = 3x + 2 and g(x) = 2x – 2, what is (f – g)(x)? A x + 4 B x – 2 C x D 5x – 2 E x – 4

may someone help me out with this please

What was reagan's strategic defense initiative? a. an agreement the u.s. signed with the ussr to destroy their nuclear arsenals over fifty years b. a shield o

Cabinet members offer advice to? a,the president. b. the vice president. c. the chief of staff. d. the senate leader.

what is the equation of a line that passes through point r(−4, −3) and has a slope of 7?