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How to Solve for X (2 + X = 7)

Remember the algebraic golden rule: What you do to one side of the equation, you must do to the other side. That's how the equation stays equal!

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jkw8886

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Solve for X: Step 1

How do you get ​x​ by itself? Subtract 2 from both sides

Solve for X: Step 2

Now simplify the equation by doing the math. 2−2+x=7−2

Solve for X: Step 3

Check your work by substituting the answer, 5, into the equation for ​x​. Does 2 + 5 = 7? Yes, so the correct answer is ​x​ = 5.

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