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Solve for x, y and z when

12x + 15y + 5z = 158 (1)

4x + 3y + 4z = 50 (2)

5x + 20y + 2z = 148 (3)

1 answer
asked by g
2 years ago
198 views
1. 0
2. 0

(4,6,4)

answered by oobleck
2 years ago
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2. 0

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Did you know?

Did you know that you can solve systems of equations by finding values for variables that satisfy all the equations? In the given system of equations, you can solve for x, y, and z by manipulating the equations to eliminate variables. By subtracting equation (2) from equation (1), you can eliminate x and get 8y + z = 108. Similarly, subtracting equation (3) from equation (1) eliminates x and gives you 7y + 3z = 10. Now you have a system of two equations with two variables. Solving these equations simultaneously will help you find the values for y and z, which can then be substituted into any of the three original equations to solve for x as well.

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