gabbi6712 gabbi6712

08-01-2017
Mathematics

contestada

What is the solution to the system of equations?
Use the linear combination method.

3x – y = 4
2x + y = 6

Respuesta :

LukeShi LukeShi

08-01-2017

when we add the two equations vertically. we get 5x=10 (3x+2x and 4+6, the y's cancel each other out) ∴x=2. Substitute this into any of the equations and we get y=2

so, x=2 and y=2

Answer Link

Otras preguntas

Is this relation a function? (14, 9), (15, 8), (8, 7), (1, 9), (15, 2)

Which scientist first proposed that the electron in the hydrogen atom can have only certain energies?.

The depth at which dolphins dive, y, in feet, as related to the duration of the dive, t, in seconds, is represented by the linear model Å· = 0.25 5.78t. if the

Factor the polynomial function. G(W) = -125w² +180

Why did william mcintosh agree to the 1825 treaty of indian springs, a contract with lower creek chiefs that ceded the last creek lands in georgia.

Need help on this please What can readers infer based upon the following passage? JACK: [Slowly and hesitatingly.] Gwendolen-Cecily-it is very painful for me t

Which of the compounds can in principle be isolated in optically active form at room temperature? select all valid choices.

what kind of evidence does girard rely on to support his argument

Solve one fifth times quantity x plus 15 end quantity equals negative 5. x = −10 x = −40 x = 8 x = 15

Can I have help with this one pls