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svlad2 [7]
2 years ago
6

Solve this system of equations using substitution, show your work (ANSWER QUICK PLEASE)

Mathematics
1 answer:
melisa1 [442]2 years ago
3 0

Answer:

\boxed{\sf{y=-50 \quad x=3}}

Step-by-step explanation:

Isolate the term of x and y from one side of the equation.

<h3>y=-15x-5 and 11x+y=-17</h3>

First, you have to substitute.

\sf{y=-15x-5=11x-15x-5=-17}

Then, you solve.

\sf{-4x-5=-17}

Add by 5 from both sides.

-4x-5+5=-17+5

Solve.

-17+5=-12

-4x=-12

Divide by -4 from both sides.

-4x/-4=-12/-4

Solve.

-12/-4=3

<u>x=3</u>

y=-15*3-5


Solve.

PEMDAS stands for:

  • Parenthesis
  • Exponents
  • Multiply
  • Divide
  • Add
  • Subtract

15*3=45

Rewrite the problem down.

y=-45-5

Solve.

<u>y=-50</u>

<u>Therefore, the correct answer is y=-50 and x=3.</u>

I hope this helps you! Let me know if my answer is wrong or not.  

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