da102016
da102016
04-03-2021
Mathematics
contestada
2x + 2y = −8
3x − 2y = 33
Respuesta :
afomi
afomi
04-03-2021
Step-by-step explanation:
2x+2y= -8
3x-2y= 33
first cancel out +2y&-2y
then chose 1 equation...let's take the first one and then 2x= -8
divided both sides by 2:x= -4
then substitute the value of x in the second equation:3(-4)-2y=33
-12-2y=33
2y=33+12
2y=45
divide both sides by 2: y=22.5
Answer Link
VER TODAS LAS RESPUESTAS ( 74+ )
Otras preguntas
How u do this bro?!,?,!,!
what happens to ideas in science?
Gina is driving her car down the street. She has a teddy bear sitting on the back seat. A dog runs in front of Gina's car, so she quickly applies the brakes. Th
When z=5, the value of z2+5 is
What is "The Prince" by Mackavelli about?
How do elections impact society
According to the rational root theorem which is a factor of the polynomial f(x)=3x^3-5x^2-12x+20
Germany started World War II in Europe by invading
Examine today’s stock listing for Parchar Special Effects, shown below. 52 wk High 52 wk Low Symbol Div. Close Net Change 160.44 81.91 PCR 7.55 114.36 -4.89 B
Simplify the following expression 7x^2 - 15x + 5 - 2x - 8x^2