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 ( 94+ )
Otras preguntas
What are the benefits and drawbacks to having a pouring temperature that is much higher than the metal’s melting temperature?
What is moral hazard? It refers to the actions people take before they enter into a transaction so as to mislead the other party to the transaction. It refers t
A surplus or shortage in the money market is eliminated by adjustments in the price level according to a. classical theory, but not liquidity preference theory.
The grocery industry has an annual inventory turnover of about 14 times. Organic Grocers, Inc., had a cost of goods sold last year of $11 comma 190 comma 000
¿Desean ver el menú, señores? Pronto ____ traigo. te lo se lo se los
The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 166 adult males, the mean pulse rate is 68.6 bpm and the
Suppose Bev's Bags makes two kinds of handbags--large and small. Bev rents an industrial space where she keeps the fabric, the industrial sewing machine, her me
The nullification crisis: involved the fears of some slaveholders that the federal government might take action against slavery. was based on southern concerns
As a person is continuously in positive energy balance and beings to deposit excess body fat, lipid gets deposited in existing adipocytes causing them to enlarg
To qualify for workers’ compensation benefits, an employee must be injured while working within the scope of the job description, be injured while performing a
