My2life My2life

24-01-2022
Mathematics

contestada

Solve the system of equations by the substitution method.

3x-5y=18
y=x-4

Respuesta :

24-01-2022

3x - 5y = 18
3x - 5(x - 4) = 18
3x - 5x + 20 = 18
-2x + 20 = 18
-2x = -2
x = 1
—————————
y = x - 4
y = 1 - 4
y = -3

Answer Link

Otras preguntas

square root of the quantity x plus 7 end quantity minus 11 equals 2

A rectangular fence has a perimeter of 184 feet. The length is four feet less than three times the width. Find the length and the width. = 2 + 2

Select ALL the correct answers. Which statements are true regarding an energy pyramid? The number of producers is greater than the number of primary consumers.

A thief steals an ATM card and must randomly guess the correct five-digit pin code from a 7-key keypad. Repetition of digits is allowed. What is the probability

ZY = 34, WY = 38, and m/ZXY = 34° find WZ

Tonya wants to be able to be able to call herself an interior designer on her business cards. What does she need to do to legally use the term “interior designe

The graph of a system of inequalities shown

With the information given, can you prove this quadrilateral is a parallelogram? Could someone help me with this problem? I'm not sure if those lines are parall

HELP!! Which compound inequality is represented by the graph? -5-4-3-2-1 0 1 2 3 4 5 O-2 0-2 ≤x≤4 O x < -2 or x ≥ 4 O x≤-2 or x > 4

I had this question for SBI4U