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 ( 51+ )
Otras preguntas
If 2^4x-1=8^x+a write the expression that is equivalent to x
Select the correct answer. What is the minimum number of cardio exercises you should perform? A. 15 minutes, 2 days per week. B. 30 minutes, 3 days per week.
The vertices of a trapezoid are shown below P(0, 0), Q(4,0), R(4, 5), S(0, 10) This trapezoid is dilated about the origin by a scale factor of 5.
What are the Everglades?
A person pulls a cart with a force of 10n a distance of 8m how much work is done on this cart
Need help please thanks
sea water has about 56.0 grams of NaCl for every 2.0 liters of water. what is the molarity?
do you think southern stated seceded to protect slavery or states rights?
Guys iam running behind on my online school someone want to help me?
Stryker Industries received an offer from an exporter for 22,000 units of product at $17 per unit. The acceptance of the offer will not affect normal production
