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Grade-3
Solve for the Variable - One-Step Subtraction Equation
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Solve the equation for variable W
9 - W = 7
Explanation
9 - W = 7
Add W on both sides we get:
9 - W + W = 7 + W
9 = 7 + W
Now, subtract 7 from both sides
9 – 7 = 7 – 7 + W
2 = W
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