Would I use subtraction for this problem ?
1 answer:
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Pyth. theorem
=18.33
=18.3 (corr. to the nearest tenth)
=18.33
=18.3 (corr. to the nearest tenth)
Answer:
Given: ......[1]
To prove : x =78
Subtraction property states that you subtract the same number to both sides of an equation.
Subtract 2 from both sides of an equation [1];
Simplify:
......[2]
Multiplication property states that you multiply the same number to both sides of an equation.
Multiply 6 to both sides of an equation [2];
Simplify:
proved!
Statement Reason
1. Given
2. Subtraction property of equality
3. Multiplication property of equality
