sunbaby1
sunbaby1 sunbaby1
  • 23-09-2019
  • Mathematics
contestada

What is the y-value of the solution to the system of equations?
3х + 5y = 1
7х + 4y=-13

Respuesta :

alishedd83
alishedd83 alishedd83
  • 23-09-2019

Set x's equal

21x +35y = 7

21x + 12y = -39

Subtract from one another

23y = 46

Divide

y = 2

Hope this helps ;)

Answer Link

Otras preguntas

A lever used to lift a heavy box has an input arm of 4 meters and an output arm of 0.8 meters. What is the mechanical advantage of the lever?
what is 144 over 324 simplified
How did socialist labor movements affect strife at start of 20th century
True or false. Thomas Edison created the light bulb?
At 8:00 am, a building casts a shadow 75 feet long. The angle where the ray from the sun met the ground is 50°. How tall is the building?
How can two substances be made up of the same two elements but have very different properties?
what is the modern names for these countries aegyptus   Britannia  Hispania Sicilia terraconcesis Cyrenaica Italia Belgian
Line A has a slope of 4. Line B has a slope of 1/4.
What times what equals 576?
why did andrew jackson want the indians to leave their tribes