herandylucas
herandylucas
05-02-2014
Mathematics
contestada
Substitution how do u do it??
Respuesta :
crisforp
crisforp
05-02-2014
3x-(2x+7) = -9 <=> x -7 = -9 <=> x = -2; y = 2(-2) + 7 = 3.
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
Use the substitution method to solve this system of equations.
help me please math sucks
Select all of the algebraic expressions that could represent the phrase below. nine more than the product of 5 times the number of tires t 9 + 5t 5 ▪ t + 9 (
Answer the question below ( I give brainliest)
A pilot in a rescue helicopter spots a person stranded on an island. The angle of depression to the island is 40°. If the helicopter is flying at an altitude of
A plane travels at a constant speed. It takes 7 hours to travel 3,780 miles. What is the plane’s speed in miles per hour.
Who was the most successful ghazi & what were his followers called?
Please help me with this sorry if sideways if something is wrong let me know
How does inadequate brain develop hurt you,
Concert tickets cost $15 for general admission, but only $9 with a student ID. Ticket sales total $450. Write and graph an equation that models this situation.