14-05-2016
Mathematics

contestada

solve the simultaneous equation, 5x=2y+1 2x-3y+4+0

Respuesta :

14-05-2016

Hello,

I suppose the 2th equation is 2x-3y+4=0

5x-2y=1 ........|*2 | *3
2x-3y=-4....... |*(-5) | *-2
==> -4y+15y=2+20==>11y=22==>y=2
and 15x-4x=3+8 ==>11x=11 ==>x=1
Proof:

5*1=? 2*2+1 yes
2*1-3*2+4=? 0 yes (linear combinaison method)

Answer Link

Otras preguntas

y = –x + 4 x + 2y = –8 How many solutions does this linear system have?

The U.S. economy begins to slow, so the U.S. prints more currency. What is the risk of this action?

Based on reactivity, which of the following elements can replace aluminum (Al) in a compound during a single replacement reaction?

Forces that energize, direct and sustain a person's efforts are called. Goal Setting Motivation Outcome Valence Job Enrichment

What could be the answer?

The angle of elevation from the bottom of a scenic gondola ride to the top of a mountain is 26. If the vertical distance from the bottom to the top the mountain

Horror, fantasy, and comedy are all _______ of novels. A. informational types B. subgenres C. literary kinds D. styles

A radio tower is located on a coordinate system measured in miles. The range of a signal in a particular direction is modeled by a quadratic function where the

how do you do equations

Each hereditary trait corresponds to _____. a sequence of nitrogen bases a step on the ladder an arrangement of nucleotides an enzyme