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Q: Which expression has the same value as the one below 38 plus (-18)?

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You can replace a variable with an equal value or expression. Just make sure the same variable always gets the same value or expression.

the order of the factors does not alter the result

It is the same as 54 plus 36 and both expressions add to 90

15

When adding, the order does not matter. It's called the summation property.

Related questions

++ is an operator that increments the operand. The value of the operand in the expression is incremented first if the ++ is before the operand. The value of the operand in the expression is the same value if the ++ is after the operand.

An equivalent expression.

Both ++you and you++ have the same ending result. The variable you is incremented. The difference is that, if you use the combination in a larger expression, then you++ will have the initial value of you, while ++you has the incremented value of you.

There is only one expression in the question and if there is only one it cannot have the same value as anything!

If x stays the same the expression stays the same. Since the expression involves negative x, the value of the expression decreases as x increases.

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You can replace a variable with an equal value or expression. Just make sure the same variable always gets the same value or expression.

why should u care

11

Yes they do.

The given expression is the same as 15+x+y simplified

Equivalent Expression

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