# How do you solve #2x+2y=14# and #2x-y=5# using substitution?

Now you can substitute this into the first equation.

You can substitute these values into any of the equations and they should work, if they are correct.

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To solve the system of equations 2x + 2y = 14 and 2x - y = 5 using substitution:

- Solve one of the equations for one variable in terms of the other variable.
- Substitute the expression found in step 1 into the other equation.
- Solve the resulting equation for the remaining variable.
- Once you have found the value of one variable, substitute it back into one of the original equations to find the value of the other variable.
- Verify the solution by substituting both values into both original equations to ensure they satisfy both equations.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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