ii dont understand how to solve a system of linear equations using the substitution method

Question

23-02-2015
Mathematics

contestada

ii dont understand how to solve a system of linear equations using the substitution method

Respuesta :

Otras preguntas

Three times as many children as adults attended a concert on Saturday. An adult's ticket cost $7 and a child's ticket cost $3. The theatre collected a total of

"I have my doubts," I replied; "and I was silly enough to pay the full Amontillado price without consulting you in the matter. You were not to be found, and I w

Which argument is true based on this excerpt from the US Constitution? Officers found guilty of impeachment have immunity from any form of legal proceedings in

Find the area of the regular octagon.

what change will double the lateral surface area of a cone

How is multiplication using partial products different from multiplication using regrouping? how are they similar?

The heart, liver, and stomach are each examples of A. a tissue. B. an organ system. C. a nerve. D. an organ.

What year did cairo come under muslim control?

In the poem "I Walk in the Desert" by Stephen Crane, what does the desert represent?

apologiabiology apologiabiology · Answer 1 · 2015-02-23T03:05:03+01:00

apologiabiology apologiabiology

23-02-2015

so 8x-7y=-7
-16+12x=14
you can simplify the sceon equation
-8+6x=7
add 8 to both sides
6x=15
divide by 6
x=15/6
subssitute
8(15/6)-7y=-7
120/6-7y=-7
20-7y=-7
subtract 20
-7y=-27
divide by -7
y=27/7

x=15/6
y=27/7

Answer Link