Ash0405
Ash0405
02-02-2015
Mathematics
contestada
Solve by substitution
X+3y=1 and -3x-3y=-15
Respuesta :
Аноним
Аноним
02-02-2015
[tex]x+3y=1\\ -3x-3y=-15\\ add\quad the\quad equ.\\ (x+3y)+(-3x-3y)=1-15\\ x-3x+3y-3y=-14\\ -2x=-14\\ x=\frac { -14 }{ -2 } \\ x=7\\ Let's\quad rewrite\quad the\quad equ.\\ 7+3y=1\\ 3y=1-7\\ 3y=-6\\ y=\frac { -6 }{ 3 } \\ y=-2[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 77+ )
Otras preguntas
In the foiled and botched bay of pigs operation, kennedy attempted to overthrow the government of:_______
A perpetuity pays $100 each and every year forever. the duration of this perpetuity will be:_________
Everything else held constant, when output is ________ the natural rate level, wages will begin to ________, increasing short.
Three origin, the identical second point to the charges right of atx 2.0 hc 50 cm, are and placed the on thrd the 1s at x-axis. the 100 the cm first mark. charg
Sandy is a specialist in crude oil. she represents buyers or sellers and is generally hired on a temporary basis. she is known for her expertise in crude oil. s
(06.01) evaluate the expression 34 ÷ (14 − 5) × 2. numerical answers expected! answer for blank 1:
A beach with a lot of sand most times of the year with just a little bit of variance would be indicative of?
Juan bought a table on sale for $459. This price was 32% less than the original price. What was the original price?
Find the general solution of the given system of odes. { dx/dt =2x 2y,dy/dt =x 3y}
Given 8 different toppings to choose from, how many 3-topping pizzas are possible?
