Combine like terms for this expression 2+1+(-4r) +7?

(-4r) + 10

Step-by-step explanation:

Like terms are terms that have the same variable.

Terms are numbers separated by additions/subtraction.

2 + 1 + (-4r) + 7             Here, we have four terms.

Three are like terms: 2, 1, 7

They have the same variable, or no variable.

"-4r" is the only term by itself.

Combine the like terms.

2 + 1 + 7 = 10

Rewrite with the term that's by itself.

(-4r) + 10

The expression can be rearranged:

10 - 4r

step-by-step explanation:

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step-by-step explanation: