shelby85387 shelby85387

04-02-2021
Mathematics

contestada

y=-2x+1
4x+y=9
solve using the substitution method please show steps

Respuesta :

Anisatunizzati Anisatunizzati

05-02-2021

Answer:

x = 4

y = -7

Step-by-step explanation:

y = -2x + 1

4x + y = 9

4x + y = 9

4x + (-2x + 1) = 9

4x - 2x + 1 = 9

2x + 1 = 9

2x = 9 - 1

2x = 8

x = 8/2

x = 4

4x + y = 9

4(4) + y = 9

16 + y = 9

y = 9 - 16

y = -7

Answer Link

Otras preguntas

round this number to the nearest 1000th place. 3,333.8485

Rewrite this sentence using a semicolon-Someone really damaged my car yesterday. The mechanic says it'll take $500 to repair.

please help math question 40 pts

Which word correctly completes this sentence? La maestra es de Chile. Ella es __________.

How many more people attended the Magic's games than attended the pacers' games? 582,295 pacers 715,901 magic

Is 9760-5,220 more or less then 4,000

A submarine was situated 800 feet below sea level. If it's ascends 250 feet, what is its new position?

which of the connotation of the word dog A.Mutt B.Four-legged mammal C.Canine D.Related to wolf

DIVIDING ALGEBRAIC FRACTIONS a^2-7a-18/4a^3 divided by a^2-4a-45/2a^3-4a^2 multiplied by a^2+3a-10/a^2-4+4

Find the domain of the graphed function?