ladyivory26
ladyivory26
22-05-2016
Mathematics
contestada
-x+y=4 3x-2y=-7 substitution
Respuesta :
BreannaK
BreannaK
22-05-2016
-x+y=4 add x to both sides to get y=x+4 Plug x+4 into the equation for y to get 3x-2(x+4)=-7 Distribute to get 3x-2x-8=-7 Add 8 to both sides to get 3x-2x=1 Subtract 3x-2x to get x=1 the answer is 1
Answer Link
VER TODAS LAS RESPUESTAS ( 67+ )
Otras preguntas
Eric and frank want to equally share 4/3 feet of rope. What length of rope should each friend get? Explain how to use a drawing to help solve the problem.
if f(x)=2x+1,what is f(-3)
in 3 months Us energy giant Enron went from a company with assets of 62bn to a company with depts of 18bn What is the difference between these two amounts?
use reference angles to find the exact value of tan 405 deg
use reference angles to find the exact value of tan 405 deg
the highest recorded temperature in the uk is 39° c. the lowest recorded temperature in the uk is - 27° c What is the difference between these two amounts?
What are 2 thirds of 800
The radius of a circle is 4. The diameter is 8. The radius of a triangle is 8. The diameter is 16. Which shape has the least amount of square feet?
Which of the following are not a spore-bearing vascular plant? a. ferns b. cycads c. club mosses d. horsetails
what caused the dust bowl
