malachistewart malachistewart

01-02-2018
Mathematics

contestada

solve the system by substitution

6x+2y=26
x=6y+21

Respuesta :

Аноним Аноним

01-02-2018

Substitute x = 6y + 21 into the first equation:-
6(6y+21) + 2y = 26
36y + 126 + 2y = 26
38y = -100
y = -2.63
x = 6(-2.63) + 21 = 5.22

answer (-2.63, 5.22) to nearest hundredth

Answer Link

Otras preguntas

1. What type of set-back can occur because of exercise? failure to meet a goal overuse injuries exercise breaks illness 2. When do you need to rehabilitate a pa

what is the exact value of x 4*6^3x=221

diedre drew a quadrilateral with 4 right angles 4 sides are the same length what kind of polygon did diedre draw a. square b.trapezoid c.hexagond pentagon

Polygon ABCD is rotated 90º counterclockwise about the origin to create polygon A′B′C′D′. Match each set of coordinates to the vertices of polygon A′B′C′D′

What does it mean if two different ratios describe the same situation

Find the unit rate: 2 2/5 kilometers in 3 3/4 minutes.

If you wanted to make certain numbers in a spreadsheet stand out, you should _____.

which region is named Northern Ireland A, B, C, D

Jim has 38 bottles of water in 9 packs of x bottles and one pack that contains only 2 bottles. What is the value of x? (Hint: Set up a two-step equation.)

What decimal is equivalent to 4/5