lilshawty22
lilshawty22
14-12-2016
Mathematics
contestada
y = 5x - 13
4x + 3y = 18
Respuesta :
Аноним
Аноним
14-12-2016
replace Y = 5x - 13
into
4x + 3y = 18
4x + 3 (5x - 13) = 18
4x + 15 - 39 = 18
4x -24 = 18
4x = 18 +24
4x = 42
x = 42/4
x = 10.5
Y = 5(10.5) - 13
= 52.5 - 13
= 39.5
answer: x = 10.5 and y = 39.5
Answer Link
VER TODAS LAS RESPUESTAS ( 23+ )
Otras preguntas
Explain why Mercury,Venus,and Mars are not likely to support life as we know it.
what does πr² mean and how do I solve it
What is (-4.8y + 20.1) - (12.7y + 9.3)?
The quantity “one mole” will not be equal to a. 22.4 L of H₂(g) at STP b. 6.02 x 10²³ carbon atoms c. 64 grams of SO₂(g) d. 36 grams of H₂O e. 207 grams of Pb
The quantity “one mole” will not be equal to a. 22.4 L of H₂(g) at STP b. 6.02 x 10²³ carbon atoms c. 64 grams of SO₂(g) d. 36 grams of H₂O e. 207 grams of Pb
why do ecologist make models?
An equilateral triangle has a perimeter of 18cm. What is the length of one of its sides?
Write an algebraic expression for two fifths the cube of a number
Simplify the expression. 11c + 3(-5c + 4d)
What is the slope-intercept form of 8x - y - 6 = 0? Can anyone explain how to make it step by step?
