Which expression is equivalent to 4+x+x+2x+5+3+x?

Combining like terms, we have

Next, add them

Therefore, ''" is equivalent to "."

B. 5x + 12.

Step-by-step explanation:

Whenever you see variables without a visible coefficient, imagine there is a '1' in front of the variable.

From here, you can combine like terms.

Remember, combine means to add.

Like terms are terms whose variables (such as x or y) with any exponents are the same (such as x² or y²).

I, therefore believe 5x + 12 is equal to 4 + x + x + 2x + 5 + 3 + x.

i dont know

step-by-step explanation:

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