Work Step by Step
Combine like terms. Subtract $3x-4x$ to get $-x$. Subtract $0.2-(-)2.6$ to get $2.8$. Note that the negatives cancel out: Two negatives makes a positive.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.