3 years ago

3x+3y=10 -9x-9y=-30 please help

Mathematics

1 answer:

tiny-mole [99]3 years ago

6 0

Answer:

Infinitely many solutions.

Explanation:

In this case we gonna use ELIMINATION BY ADDITION method.For that first we are gonna eliminate the terms containing ( X ).

Equation no 1:

3x + 3y = 10

Equation no 2:

-9x - 9y = -30

Now multiply equation no 1 with (3 )

3(3x + 3y) = 3(10)

9x + 9y = 30 ( equation no 1 )

Now ADD both the equations

9x + 9y = 30

<u> -9x - 9y =-30</u>

0 = 0

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