kelseyparrx kelseyparrx
  • 17-06-2020
  • Mathematics
contestada

solve the simultaneous equations y=x-2 and y=3x+5

Respuesta :

jimrgrant1 jimrgrant1
  • 17-06-2020

Answer:

(- 3.5, - 5.5 )

Step-by-step explanation:

Given the 2 equations

y = x - 2 → (1)

y = 3x + 5 → (2)

Substitute y = 3x + 5 into (1)

3x + 5 = x - 2 ( subtract x from both sides )

2x + 5 = - 2 ( subtract 5 from both sides )

2x = - 7 ( divide both sides by 2 )

x = - 3.5

Substitute x = - 3.5 into either of the 2 equations and evaluate for y

Substituting into (1)

y = - 3.5 - 2 = - 5.5

Solution is (- 3.5, - 5.5 )

Answer Link

Otras preguntas

PPLLLLLSSSSSS HEEELLLLLLLPPPPPPPPPPP
What is y=4x-1 in standard form?
You buy rice at $0.71 a pound. One batch of fried rice requires 6.5 pounds of rice. How much does the rice for one batch cost?
What is a fact or characteristic of the word, grandeur? I give Brainliest :)
ites à quelle catégorie appartiennent chacune des unités lexicales suivantes (unité lexicale peut appartenir à plusieurs catégories) Internet-Paris-dialogisme-s
Please help fast! Calculate without a calculator I will mark brainliest
Find the second, fourth, and tenth terms of the sequence described by the rule. A(n)=2+ (n-1)(7)
Grace's exercise programme requires that she does 1 sit-up on the first day, 2 sit-ups on the second day, 6 sit-ups on the third day, 15 sit-ups one the fourth
A box is filled with green marbles, red marbles, and blue marbles. The ratio of red marbles to green marbles is 3:1. The ratio of green marbles to all of the ma
Find the sum of...4(p - 5) and 4p - 28