anjithaa23 anjithaa23

04-12-2019
Mathematics

contestada

How to substitute for -5x+3y=51 and y=10x-8

Respuesta :

Yang100 Yang100

04-12-2019

Answer:

x=3, y=22. (3, 22).

Step-by-step explanation:

-5x+3y=51

y=10x-8

----------------

-5x+3(10x-8)=51

-5x+30x-24=51

25x-24=51

25x=51+24

25x=75

x=75/25

x=3

y=10(3)-8

y=30-8

y=22

Answer Link

Otras preguntas

2.1 Samuel saves two cents the first month and every month later he doubles the amount. How much will he save after two years? a) How much will Samuel save in t

Which is the best estimate for the square root of 63

Which of the following is not true

what change resulted from the Persian Gulf War

how do you spell hello for my math

Find the value of x in the triangle shown below.

Which view of love (from “She walks in beauty” or “the river merchants wife:a letter”) appeals to you most? Why?

A loan of $100,000 is made today. This loan will be repaid by 10 level repayments, followed by a final smaller repayment, i.e., there are 11 repayments in total

What is the value of n? n − 2 = 1/2 (10n + 4)

A __________ is a concept whose value changes from case to case.