2 years ago

-3x + 4y = 12; 3x - 5y = 18 Solve

1 answer:

3 0

X = -44
y = -30

Solve for y in equation 1.
Plug in the new value for y into equation 2 to solve for x.
Next, plug your x value into either equation to find y. You can choose either, but I picked the 1st equation.

Check out pic!

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Read 2 more answers

All students = 700

Sedaia [141]

Answer:

See below

Step-by-step explanation:

Given:

Total number = 700
Off grid class = 450
Online class = 320
Both = 275

Based on the given we find the following

1) Off-grid class only:

450 - 275 = 175

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7 0

2 years ago