maiconway791 maiconway791

04-08-2017
Mathematics

contestada

Helppppppppppppppppppp

Helppppppppppppppppppp class=

Respuesta :

kphung76127 kphung76127

04-08-2017

3x-4y=-30
3x+2y=6
Multiply the second equation by -1
-3x-2y=-6
Add the two equations together to cancel out x
-6y=-36
y=6
Then put the y value in one of the original equations to solve for x
3x+2(6)=6
3x+12=6
3x=-6
x=-2
The answer is C

Answer Link

Otras preguntas

the committee to plant more trees has raised 40% of their goal. they want to raised $3,000. How much more money do they need to raise to meet their goal

What is Charles Darwin's major contribution to science? A. He categorized thousands of species to compare their different traits. B. He explained how species ev

how did the first two major american political parties differ.

how and when was the guitar made

Which country represented a personal failure to President Clinton after turbulent events in that country unfolded? Afghanistan China Ireland Rwanda

what are the factors of the following quadratic equation 12=x^2-x

Why are economies never purely market or command economies? A. International law prohibits purely command or market economies. B. Government officials do not re

32 is what percent of 160

Simplify the expression below 5+3*2-4^2*|-2| A) 43 B) 48 C)-16 D)-21

Suppose you have a 100-mL cup,a 300-mL cup, and a 500-mL cup. list two different ways you can measure exactly 1 L