mrspressley2011 mrspressley2011

20-11-2021
Mathematics

contestada

Solve the system of equations by substitution.
X+5y=-11
-7x-9y=-1

Respuesta :

pauli1991 pauli1991

20-11-2021

Step-by-step explanation:

rearange one of the equations:

x = -11 - 5y

substitute x in the second equation

-7 (-11-5y) - 9y = -1

solve for y

once you know the value of y, substitute again to solve for x

Answer Link

Otras preguntas

Determine the volume of the shape below? 30 50 40

a slice of bread weighs 28.349 grams. Which expression shows the weight of a slice of bread in expanded notation?

A line segment with one end at A (-3,2) has midpoint M (2,-3). Find the coordinate of the other end point B. (A.) B (-1,-1) (B.) B (5,-5) (C.) B (1,-4) (D.) B (

Lomack Company's bonds have a 8-year maturity, a 8% coupon, paid semiannually, and a par value of $1,000. The market interest rate is 5%, with semiannual compou

What is the value of m that makes the equation true? 18m- 2+ 7m- 8= -60

Can someone please help me, I've been stuck on this since yesterday. Thanks!

pls help ill give you 20 points and only correct answers plsss

A dress shop bought material for £4.65 a metre and sold it for £6.90 a metre. How muchprofit would be made on a roll of 30 metres?

A writer comes up with an outrageous solution to poverty to highlight the heartlessness and absurdity of the rulers he lives under.which term best describes the

Solv for x for all of these 1. 3x+6=21 2. 33=7x-9 3. 28=7+x need to know now please help !!!!!!