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dexar [7]
3 years ago
7

Use the substitution method to solve the system of equations. 3x + y = 10 y = x – 2

Mathematics
1 answer:
Tatiana [17]3 years ago
8 0
<h3>Answer:</h3>

(x, y) = (3, 1)

<h3>Step-by-step explanation:</h3>

The given expression for y can be used in place of y in the first equation.

... 3x +(x -2) = 10

... 4x = 12 . . . . . add 2

... x = 3 . . . . . . . divide by 3

... y = 3 -2 = 1 . . use the second equation to find y


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