jenniferdiaz2005
jenniferdiaz2005
12-06-2020
Mathematics
contestada
2x + 3y = 1240
x = 2y - 10
Respuesta :
unicorn3125
unicorn3125
05-08-2020
Answer:
x = 350, y = 180
Step-by-step explanation:
2x + 3y = 1240
and
x = 2y - 10
so:
2(2y - 10) + 3y = 1240
4y - 20 + 3y = 1240
+20 +20
7y = 1260
÷7 ÷7
y = 180
x = 2•180 - 10 = 360 - 10 = 350
Answer Link
VER TODAS LAS RESPUESTAS ( 54+ )
Otras preguntas
Who made the very first solar cell and in what year?
which shows the ratio 44 to 200 written as a percent a decimal and a fraction in simplest form
Is south Africa culture generally female or male dominated
What nation is 1,000 miles south of Cairo, Egypt?
a triangle abc has side ab 4cm and side bc 3cm what is the length of side ac
What what's Voltaire legacy? (How did I influence the future)
-0.75p-2=0.25p solve for p
Subtraction is a commutative operation. When writing an expression for the difference of two numbers, it does not matter what order the numbers are in. a. True
People addicted to smokeless tobacco can develop thick, leathery white spots in the mouth. What are these spots called?
Each student must submit _____ homework by noon. Which is correct? their or his/her
