What is the solution to the following system of equations? 3x-4y=-35 3x+4y=5

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asked Jun 12, 2019 129k views

2 Answers

Valaer · Answer 1 · 2019-06-18T01:03:08+0000

3x-4y = -35 (1)
3x+4y = 5 (2)
Add equation (1) and (2)
6 x = -30
x = -30/6 = -5
Substitute at equation (2)
3 * -5 + 4y =5
4y = 5+15 = 20
y = 20/4 = 5

The solution of the system:
x = -5 and y = 5

What is the solution to the following system of equations? 3x-4y=-35 3x+4y=5

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