ambmundle
ambmundle
01-03-2017
Mathematics
contestada
how to use substitution for 4x+3y=13 and x+y=4
Respuesta :
wolf1728
wolf1728
04-03-2017
A) 4x + 3y = 13
B) x + y = 4
B) x = 4 -y Then we substitute this into Equation A
A) 4 (4-y) + 3y = 13
A) 16 -4y +3y = 13
A) -y = -3
y = 3
x = 1
Answer Link
VER TODAS LAS RESPUESTAS ( 69+ )
Otras preguntas
What is 45/60 in simplest form
the difference between the square roots of a number is 30. What is the number?
What is the estimate for 200,629+28,542
what number is 100,000,000 more than 5,438,724,022?
If one-half of a number is 8 less than two-thirds of the number, what is the number?how? 1)24 2)32 3)48 4)54
What does it mean if the hundred digit of my number is less than tens digit. The ones digit is greater than the tens digit. What could my number be?
the speed at which at a certain computer can access the internet is 2 megabytes per second how fast is this in megabytes per hour
How do you write 0.17 in word form?
write the name given to a large area of sea or ocean that is partially enclosed and is larger than a bay
a square photo display board is made up of 60 rows of 60 photos each the area of each square photo is 4 square inches how long is each side of the display board
