Asked by please
solve the following system of equation
8x+9y=-19
-3x+7y=-24
8x+9y=-19
-3x+7y=-24
Answers
Answered by
Steve
a little multiplying yields
24x + 27y = -57
-24x + 56y = -192
Now add them, and the x's vanish, giving you y.
Then you can easily get x.
24x + 27y = -57
-24x + 56y = -192
Now add them, and the x's vanish, giving you y.
Then you can easily get x.
Answered by
Dr. Jane
Multiply all parts of the first equation by 3 and all parts of the second equation by 8.
Add the two equations and solve for y.
You can then find x by putting in your y-value into one of the original equations.
Also, you should check the final answer in both equation.
Add the two equations and solve for y.
You can then find x by putting in your y-value into one of the original equations.
Also, you should check the final answer in both equation.
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