kit0058
kit0058
02-03-2017
Mathematics
contestada
solve by elimination
Respuesta :
roseberline
roseberline
02-03-2017
2x - 2y = -4
-3x -3y = 0
_____________________
-1x - 5y = -4
Answer Link
H1a2r3s4h5
H1a2r3s4h5
02-03-2017
2x-2y=-4
Multiply eq.by 3
6x-6y=-12
-3x-3y=0
Multiply eq.by 2
-6x-6y=0
from both new eq.
6x-6y=-12
-6x-6y=0
So adding both eq. We get
-12y=-12
So y=1
From eq.1
2x-2y=-4
2x-2(1)=-4
2x-2=-4
2x=-4+2
2x=-2
x=-1
so x=-1 and y=1
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
Prepare journal entries to record the following production activities. 1. Incurred $59,000 of direct labor in production (credit Factory Payroll Payable). 2. In
Each of the following scenarios will result in either a shift in the supply curve for labor or a change in the quantity supplied of labor. For each scenario, pl
describe the rule of continuing this sequence 44, 41, 38, 35, 32
What is the recommended quantity of fruits that should be eaten daily? A. 1 cup B. 2 cups C. 3 cups D. 4 cups
y = 2x + 1 y = 6x - 1
sin(2x)-tan(x)=cos(2x)tan(x) Please show steps, thank you!
What is π/6? I don’t know. No calculators!
A child is pulling a wagon down the sidewalk. For 9.5 m the wagon stays on the sidewalk and the child pulls with a horizontal force of 23 N. Then one wheel of t
Read and choose the option with the correct affirmative command for tú to complete the sentence. Mohamed, ________ el gato dentro del baúl antes de manejar. pon
Using the volumes of sodium thiosulfate solution you just entered, the mass of bleach sample, and the average molarity of the sodium thiosulfate solution entere
