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

11. Write the equation of the line.

estimate a 25% tip on a bill of $89.27 by first rounding the ball amount to the nearest ten dollars

What was the original price if: after an increase of 30%, it became $520

NAFTA differs from that of the European Union in that A. NAFTA has purely economic goals B. NAFTA issues a universal currency C. NAFTA holds popular election D.

Which of these natural phenomena is LEAST LIKELY to cause the formation of a large plain valley between two mountains, in a very short time? A) a volcanic erupt

what is the math expression for the product of 12 and y increased by 11

As citizens, we have both freedom and which of the following?

Which of these microscopes would let you see the hair-like projections on the surface of a cell better? transmission electron microscope scanning electron micro

PLEASE HELP ME!!!!!! Why does the theft of the Tai-me represent the decline of the Kiowa people? The Tai-me was never found again. The Sun God abandoned the

The endocrine gland that produces primarily testosterone is the