fatima0097 fatima0097
  • 17-10-2020
  • Mathematics
contestada

5. Solve the system of equations.
x + y = 6
2x - y = 9

Respuesta :

vcseke
vcseke vcseke
  • 17-10-2020
first, solve for x
x + y = 6
+
2x - y = 9
——————
3x = 15
x = 5

then just substitute that into one of the equations

(5) + y = 6
y = 1

then make into an ordered pair (x,y)
(5, 1)
Answer Link

Otras preguntas

Occupation Median Annual Earnings (Dollars) Postsecondary Education or Training Category Sheet metal worker 37,360 Long-term on-the-job training Massage therapi
When Θ = 5 pi over 6, what are the reference angle and the sign values for sine, cosine, and tangent? Θ' = negative pi over 6; sine and cosine are positive, tan
Which phrase best represents how the approach to answering changed after the scientific revolution
Which of the following are not true in regards to strength training?
the substance which dissolves the particles of a solution is called the .
can someone help me answer this question please
Write a complete, balanced equation for this double displacement reaction. (hint: the solid is a compound of ni 2 ions and hydroxide ions.) write the complete m
1×100,000+3×10,000+9×1,000+8×100+5×10+2×1 whats the area in standard form and word form?
Mes cousins et moi ________ le match de foot. A) grossit
What is the value of begin expression . . . 81 times x raised to the second power, times y raised to the third power, plus z . . . end exression, if x equals 3,