anonymous2625 anonymous2625

10-02-2017
Mathematics

contestada

solve the system of equations by substitution
x=-4y
x+5y=2

(-8,2)
(8,-2)
(2/9,8/9)
(-12,3)

Respuesta :

SutaPinatih SutaPinatih

11-02-2017

Substitute x = -4y into x+5y = 2.
-4y + 5y = 2
y = 2. Substitute this value into the first equation: x = -4 × 2 = -8.
So the answer is (-8,2).

Answer Link

Otras preguntas

Describe the change in the Moon's phase that takes place over the span of one cycle.

SP Explain four steps you can take to improve your writing. Enter your response here.

Solve the formula for the given variable -2x-6=4x Helppp mee

There is a pair of x and y values that make each equation true in this system of equations {5x + 3y = 8 {4x + 7y = 34 Explain why the same pair of values also

_____ questions often present interviewees with a scenario they are likely to encounter on the job and ask them to indicate how they would handle it.

Why do you think Britain aided the Arabs in the Arab revolt of 1916?

what is meant by development

Scale the numerator and the denominator down by a factor of 3 (divide) to write a fraction equivalent to \frac{3}{12} 12 3 .

Which of the following conditions were present in over 80% of paddling fatalities from 1995-2000?

If a muffin costs 7¢, how much will 3 muffins cost?