Multiply each equation by a number that produces opposite coefficients for x and y 1x-1y=100
3/8x+7/8y=2000

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8