02-02-2018
Mathematics

contestada

The sum of the equations -8x - 2y = 54 and 4x + 10y = 10 is an equation in one variable.

Respuesta :

wolf1728 wolf1728

02-02-2018

Multiplying first equation by .5:
A) -4x -y = 27 then adding equation B)
B) 4x + 10y = 10
9y = 37
y = 4.1111111111

x =
-4x - 4.1111111111 = 27
-4x = 31.1111111111
x = -7.7777777778

Answer Link

Otras preguntas

Explain how you would use a number line to find 6+(-8)

Write equation in function form 6-y=17x

How do three planes intersect at one point?

List the perfect squares between 100 and 500 that are even numbers

a square photo-display board is made up of 60 rows of 60 photos each.The area of each square photo is 4 square inches.How long is each side of the display board

What's 45 out of 58 in percentage?

how do you solve m/9 divided by mn squared / 3

what is 69/25 as a terminating decimal

Tasha believes that she can rewrite the difference 120 - 36 as a product of the GCF of the 2 numbers and another difference. Is she correct?

Which of the following did NOT grow or increase as a result of early farming? villages trade life spans cities