Malachy45
Malachy45
24-01-2019
Mathematics
contestada
7x+3y=-12 2x+5y=38
Please help
Respuesta :
leel33lee
leel33lee
24-01-2019
7x + 3y = -12
2x + 5y = 38
5y = -2x + 38
y = -2x/5 + 38/5
7x + 3•(-2x/5+38/5) = -12
29x/5 = -174/5
29x = -174
x = - 6
x=-6
y = -2x/5+38/5
y = -(2/5)(-6)+38/5 = 10
x=-6
y=10
Answer Link
VER TODAS LAS RESPUESTAS ( 72+ )
Otras preguntas
ASAP will give brainly!!! VERY URGENT from the wuthering heights which statement best explains how setting contributes to plot development in this passage?
En el futuro sera aun mas importante guardar y usar da manera inteligente nuestros
Can you please help me at a=3/5 b=4/5 c=?
An object has a mass of 180 g and a volume of 9 cm³. Find the density of the object in g/cm³. g/cm³
Write and simplify an expression that represents the sum of the perimeters of the square and the triangle. A square with side length 6x. A triangle with side l
What is the key idea that the author wants readers to understand from this. Use evidence from the text to support your reasoning..
What is the compound Cu₂SO4 called?
can someone help me quickly. Read this excerpt from The People Could Fly. They say the people could fly. Say that long ago in Africa, some of the people knew ma
please answer question below asap!!
What is similar between the shape and the character Dodecahedron? What is different about the way each uses its 12 faces?
