yahirherrera144 yahirherrera144

26-07-2021
Mathematics

contestada

x+y=4
x-2y=-5
If the first equation is multiplied by 2 and then the equations are added, the result is
=3
3 = 13
o3х=3 3

Respuesta :

smithkekoal970 smithkekoal970

26-07-2021

Answer:

3x = 3

Step-by-step explanation:

x + y = 4 × 2

= 2x + 2y = 8

2x + 2y = 8 + x - 2y = -5

3x = 3

Answer Link

Otras preguntas

A recent edition of The Wall Street Journal reported interest rates of 2.25 percent, 2.60 percent, 2.98 percent, and 3.25 percent for three-year, four-year,

During the 1999 and 2000 baseball seasons, there was much speculation that the unusually large number of home runs that were hit was due at least in part to a l

1. Reid is a Lego building master, or so he thinks. After building Lego models for several months, Reid attends a nearby Lego meetup. He finds that he is not as

the lines graphed below are parallel.The slope of the red line is 3.what is the slope of the green line. M=?

In a right triangle, angle A measures 20°. The side opposite angle A is 10 centimeters long. Approximately how long is the hypotenuse of the triangle?

Write y=3x^2-12x+11 in vertex form.

Why do you think it is so difficult to control the spread of invasive species?

If the variable cost per unit goes down, a. Contribution margin increases and Break-even point decreases. b. Contribution margin decreases and Break-even point

Pleas help me this is my last question

−7−(−6) Explain how you could use a number line to find the difference. What is the difference?

ACCESS MORE EDU ACCESS