dayanaalaniz28 dayanaalaniz28

12-01-2017
Mathematics

contestada

x+6y=1
3x-10y=17
HELP PLEASE

Respuesta :

Аноним Аноним

12-01-2017

X+6y=1 x = -6y + 1
3x-10y=17

replace x = -6y + 1 into 3x-10y=17

3x-10y=17

3(-6y + 1) -10y=17
-18y + 3 - 10y = 17
-28y = 17-3
-28y = 14
y = 14/-28
y = -1/2

x = -6y + 1
x = -6(-1/2) + 1
x = 3 +1
x = 4

solutions x = 4 y = -1/2 or (4,-1/2)

Answer Link

Otras preguntas

which expression is not equivalent to this expression of 11y-5? is it 88y-40 or 5y-11 or 19y-3 or 22y-10?

A well-stocked first-aid kit should include which of the following items? A. A bottle of adult multivitamins B. Sterile gauze in assorted sizes C. A

Which statement best summarizes the purpose of repetition in poetry? ~Poets repeat words and phrases to create a more regular rhythm. ~Poets repeat words and p

Which of these is a living prokaryotic cell? a.)Virus b.)bacteria c.) amoeba d.) paramecium

You and two friends are making a gift basket. You want to keep the cost below $15 per person. Write and solve an inequality that represents the total cost of

which acronym describes the order of arithmetic operations

y=3(x+5)(x-2) equivalent to

A grocery store clerk has 16 oranges,20 apples,and 24 pears. The clerk needs to put an equal number of apples,oranges,and pears into each basket. What is the gr

How is the dash used as an interrupter in this sentence? Money, popularity, love—none of these things will replace inner peace.

Given f(x)=2x^2+8 and g(x)=5x-6, find each function. (f+g)(x) (f*g)(x)