samuelhayes samuelhayes

04-02-2021
Mathematics

contestada

Solve the system by substitution. -3x+3=y -x+3y=29

Respuesta :

UnLedZep UnLedZep

04-02-2021

Answer:

x=-2 , y=9

Step-by-step explanation:

[tex]\left \{ {{-3x+3=y} \atop {-x+3y=29}} \right.\\-x+3(-3x+3)=29\\-x-9x+9=29\\-10x=29-9\\-10x=20\\x=\frac{20}{-10} =>x=-2\\\\-3x+3=y\\-3(-2)+3=y\\6+3=y=>y=9[/tex]

Answer Link

Otras preguntas

How did Niccolo Machiavelli’s book The Prince set him apart from other writers of the Renaissance?

What's the other term for: lacking respect; scornful

explain in steps how to graph this linear inequality 2x+3y > -2

What's the other term for: explosive or changing very quickly

explain why the motion of a body which is moving with constant speed in a circular path is said to be accelerated ?

What's the other term for: lacking respect; scornful

why dog pants during summer use the cocept of evaporation

a subway train starts from rest at a station and accelerates uniformly at 1.8m/s^2 for 15 sec. then it runs at a constant speed for the next 35 sec. before dece

What's the other term for: lacking respect; scornful

How many moles of water (H2O) would be produced if 10 moles of O2 gas reacted completely with excess H2 gas?2 H2(g) + O2(g) → 2 H2O(g)A. 5 B. 10 C. 20 D. 30