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JulijaS [17]
3 years ago
9

Solve using elimination. - 8x + 2y = -20 8x - 5y = 14

Mathematics
1 answer:
Anna [14]3 years ago
5 0

Answer:

<em>x = 3, y = 2</em>

Step-by-step explanation:

~ Through process of elimination ~

1.         - 8x + 2y = -20      

        +   8x - 5y = 14

2. Simplify to solve for y through simple algebra:

          2y - 5y = -20 + 14 ⇒ - 3y = - 6 ⇒<em> y = 2</em>

3. Now substitute this value of y into the to equation - 8x + 2y = -20 to get x:

- 8x + 2 ( 2 ) = -20  ⇒

    -8x + 4 = -20 ⇒

       -8x = -24 ⇒

           <em>x = 3</em>

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