joanna93
joanna93
02-12-2019
Mathematics
contestada
1) 3х + 8 y = 30
бx +7y = 6
Respuesta :
naythankyouboi
naythankyouboi
02-12-2019
Multiply the first equation my 2 and than subtract the two equations to eliminate x
6x+16y=60-
6x+7y=6
9y=54
Y=6
Then plug in y to one of the equations
6x+7(6)=6
6x+42=6
6x=-36
X=-6
X=-6 Y=6
Answer Link
VER TODAS LAS RESPUESTAS ( 51+ )
Otras preguntas
how to draw a British union jack
Express in Simplest Radical Form:Simplify the expression: √10×√50a. √5b. √500c. 10√5d. 5√2
Which points belong on the graph for the function y = -5x+3?
Lisa is a pet cat called Taddy. Is pet adjective or noun
Write a diary entry on Dungeswari hills of bihar words limit (100to120words)
When queen Elizabeth had died?
How to Evaluate the Expression : -3.75-(6 1/4)
long ago one fox is ------- he roming here and there in search of food and finally he look ---------- and he go vineyard he sees ------ripen grapes he want ----
Who most probably will be the next president of Poland?
The most common cause of morbidity and mortality with a SAH is _____. 1) Hypertension 2) Aneurysm rupture 3) Trauma 4) Infection
