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

Advertisements are usually considered to be:

If the Latin root plaudere means “to applaud,” which bolded word means “able to be applauded” or “worthy of belief”?

explain the relationship between climate and weather

Simplify the expression 6×2/(-14) + 9 × 2

(-4x^2-3)=x^2+3x-9+4x^2-2x+3 Simply

Look at the graph below. What is the slope of the line? a) 5 b) 1/5 c) -5 d) -1/5

Cholesterol belongs to the group of lipids called _____. a. fatty acids b. phospholipids c. steroids d. amino acids

By grace we are saved through faith.truefalse

Not sure what to do.

Business letters should use _______ writing. A. Descriptive B. Flowery C. Informal D. Precise