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Q: How do you solve this equations 4x plus 5 equals 13?

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You need two independent linear equations to solve for two unknown variables.

X +13 equals 22, X equals nine

12 + 5 equals...

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If: x+y = 8 and 2x-y = 5 Then by adding the equations together: 3x = 13 or x = 13/3 By substitution into the original equations: x = 13/3 and y = 11/3

To solve for x, we'd have to know what this expression equals.

If: 2a+13 = 5a+1 Then: a = 4

7+6

Solving equations in two unknowns requires two independent equations. Since you have only one equation there is no solution.

Solving equations in two unknowns requires two independent equations. Since you have only one equation there is no solution. The most that you can do is: 13p = 31-7k so that p = (31-7k)/13

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