shanson2024 shanson2024

02-12-2020
Mathematics

contestada

solve each system using the substitution method 6x-y=-4 and 2x+2y=15

Respuesta :

meowmeow223334 meowmeow223334

02-12-2020

Convert 6x - y = -4 into y = mx + b
Y - 4 = 6x
Y = 6x + 4
Substitute that into second equation
2x + 2(6x + 4) = 15
2x + 12x + 8 = 15
14x = 7
X = 1/2
6(1/2) - y = -4
3 - y = -4
-y = -7, y = 7
Final answer: x = 1/2, y = 7

Answer Link

Otras preguntas

Use trig to solve for x show work

Orchids are a type of flowering plant. How would biologists explain how a living orchid species lacking leaves evolved from an ancestral orchid species that had

Explain why the railroads were not built in a straight line from east to west.

Write an equation for a non-vertical line that contains the point ( 2,-4 )

List the perfect squares between 100 and 500 that are even numbers.

How do you say I was born in the Philippines in Spanish

What is the property, transformation, or simplification used in each step of this problem? x-7=34

Use trig to solve for x show work

HOW TO FIND THE MISSING NUMERATOR IN ANY FRACTIONS LIKE 4/8= ?/4

At a store , 24 bottles of water and 6 bags of chips costs $23.40. Five bottles of water and two bags of chips cost $6.60. What is the cost of a single bottle o