Solve systems by using substitution

Y=x+6

Y=2x

Which equation can be used to represent six added to twice the sum of a number and four is equal to one-half of the difference of three and the number?

According to the chart, from 1986-1996, unintentional drug overdose deaths per 100,000 population began to rise. The numbers for each year are, roughly, 2, 1, 2, 2, 1, 2, 2, 3, 3, 3, 3. What is the mean of these statistics? 24 2.18 24.18 2

Write an expression for the calculation divide 15 into thirdsand subtract from 14 divided in half

A necklace is made with beads that are 1.25 centimeters in diameter the necklace is 30 centimeters long. each bead cost $0.15. how much will be spent on beads for the necklace

Evaluate (-10) • (-10) ^4

Two sides of a triangle measure 5 in, and 12 in. Which could be the length of the third side? 03 in 6 in 10 in o 18 in

Solve for x: 0.8 (5x+15) = 2.6 - (x+3)

An acute angle θ is in a right triangle with sin θ = two thirds. What is the value of cot θ?

Jack read 1/6 of a book on Monday and another 1/3 of it on Tuesday. He took another 4 days to finish reading the book. He read the same number of pages on each of the 4 days.

How many solutions does 25-4x=15-3x+10-x have