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Brrunno [24]
3 years ago
13

Solve the following systems of linear equations using the substitution Method y = -x + 3 3x + 3y = 9​

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
3 0

Answer:

Infinitely many solutions.

Step-by-step explanation:

Given

y = -x + 3

3x + 3y = 9

Required

Using substitution method, solve

Substitute -x + 3 for y in 3x + 3y = 9

3x + 3(-x + 3) = 9

Open bracket

3x - 3x +9 = 9

9 = 9

0 = 0

<em>The above shows that there are infinitely many solutions.</em>

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