Substitution method

y=-3

2x+y=5

x-2y+z=6

Andy is one fourth as old as his granfather who is 76 years old. write an equation to determine whether Andy is 19 or 22

Recall that the slope of a non-vertical line is a measure of the number of units the line rises (or falls) vertically for each unit of horizontal change from left to right.

Three-fifths (3/5) of a foot of rain was collected in two-thirds (2/3) of a day. At that rate, how much rain would be collected in one day?

Write digit (s) can be in the ones place of a number that has 5 as a factor

M+3m-6m+8 Simplify expression by combining like terms

4x-6y=2 3x+5y=11 Jonas used the linear combination method to solve the equation shown. He multiplied the first equation by 3, and the second equation by another number to eliminate the x terms. What number did Jonas multiply the second equation by?

Larry purchase 8000 shares of a stock at a price of $7.29 a share. He sold the stock six years later at the price of $10.31 per share. What is this percent gap gain

What is the value of the expression - 7 - 5 + 4? A. -16 B. -8 C. -12 D. -6

What two numbers add up to - 3 and multiply to - 100?

Find the least common denominator of each fraction, show all of your work: 1/3 and 3/4