addisonShea addisonShea

09-11-2020
Mathematics

contestada

How to solve y=2x-10 and 6x+7y=10 using substitution

Respuesta :

Аноним Аноним

09-11-2020

Answer:

x=4

Step-by-step explanation:

y=2x-10 and 6x+7y=10

6x+7(2x-10)=10

6x+14x-70=10

20x=80

x=4

Answer Link

Otras preguntas

The sum of a 3 digit number and a 1 digit number is 217. The product of the numbers is 642. If one number is between 200 and 225, what are the numbers?

Why couldn't William cross the channel

HOW CAN A ELEPHANT FLOAT WHILE A PENNY SINK?

how do you express the area of a triangle as a monomial?

In ________and ________ no energy is used. Which one needs a helper to get things across?__________ Someone please help me out on this!

Identify one advantage and two disadvantages of a monopoly.

(MC)What effect did Jim Crow laws have on Southern society?

Ryan read 127 pages of a book on Monday and 172 pages of the same book on Tuesday. Use compatible numbers to estimate the number of pages Ryan read on Monday an

what was one effect of new british taxes on colonists?

What is 843 rounded to the nearest hundred