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Grade-4
Solve for the Variable - One-Step Subtraction Equation
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Solve the equation for variable A
33 - A = 13
Explanation
33 - A = 13
Add A on both sides we get:
33 - A + A = 13 + A
33 = 13 + A
Now, subtract 13 from both sides
33 – 13 = 13 – 13 + A
20 = A
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