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Mat 116

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substitution method
7x +9y= 19
I read over all the problems I do not see any errors I can find.
Please point this out!
After this I have another problem
0.1 X 100 < -4
10< -4
10 -4
10 10
{x|< - 4/10 or -0.4

  • Mat 116 -

    Substitute 25-5y for x in the first equation and solve for y. Put that value in the second equation to find x. Check by putting both values into the first equation.

    It is not clear what the second problem is or what you are doing with the second problem.

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