Solve the system linear equation by using the substitution method: −7x − 2y = −13 x − 2y = 11

Solve the system linear equation by using the substitution method: −7x − 2y = −13 x − 2y = 11

A landscape designer uses two types of gravel for walkways. The larger gravel weighs an average of 48 pounds per cubic foot and thge smaller weighs an average of 40 pounds per cubic foot. In his truck,...

Basically, I've already figured these two equations out. All I need is the steps and answer, please. 35y+0.25x=2.25 y=0.25x+1.75

If X+y=7 and X-y=9, find the product of x and y.

Math is very hard for me especially when it come down to elimination and subsitution

Haley wants to buy a charm Richmond Fine Jewelry charges $30 per charm, plus $10 for the bracelet. Espinoza Jewelers, in contrast, charges $29 per charm and $12 for the bracelet. If Haley wants to...

at a restaurant the cost for a breakfast taco and a small glass of milk is $2.10. The cost for 2 tacos and 3 small glasses of milk $5.15. Which pair of equations can be used to determine t, the cost...

i don't know how to do this I need help

how do i solve this?

if the equations are y=2x-5 and 4x-y=7 , what is the ordered pair ?

3x+7y=-6 x+6y+2=0 I have a problem when you have to move the equation and make it into one.

x=6+4y -3(x+y)=-36 I have to solve this using the system of equation by the substitution method.

5a+7b=-21 a+18=-6b I have a problem when you have to move the equation and make it into one.

how can written thousands equation simplified.

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