codyathomas17 codyathomas17

25-09-2017
Mathematics

contestada

Given the system of equations, what is the solution?

x + 2y = 7
x - 2y = -1

Respuesta :

Аноним Аноним

25-09-2017

Add the 2 equations to eliminate the 2y. We get

2x = 6

x = 3

Plug x = 3 into the first equation:-

3 + 2y = 7
2y = 7 - 3 = 4

y = 2

Answer is x = 3 and y = 2

Answer Link

Otras preguntas

In a grassland ecosystem, if the pollution of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem. A. The ecosystem wi

Write 5 lines about whether you prefer holidays at home or abroad?? Thankyou

What are some examples of the word rueful in a sentence?

List the factors of 15 and 30. Indicate which factors are common to both numbers and the Greatest Common Factor (GCF). 15= ___________ 30= __________

what two word name makes up the scientific name of each kind of organism?

Factoring 3xsquared + 14x +20

Given the function T(z) = z – 6, find T(–4). A.10 B.–10 C.2 D.–2What is the range of the function: {(1, 2); (2, 4); (3, 6); (4, 8)}? A.{2, 4, 6, 8} B.{1,

the volume of a cylinder is 75 pie cubic inches. yhe cylinder gas a hight of 3 inches. what is the radius of thr base of the cylinder

what figurative language is a "thundering silence?"is it a hyperbole

1.Find the constant of variation for the relationship f(x)= 30x. A.10 B.30 C.x D.f(x)2.Find the constant of variation for the relationship shown in the foll