Add: t – 8tz, 3tz – z, z – t
Combining like terms and adding
(-8tz+3tz)+(t-t)+(-z+z)
=-5tz
4xy−5yz−7z
–5xy+2yz+zx
–2xy−3yz+3zx
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Add the following: 3x+11+8zand-6x+4z
Combine the terms to form algebraic expression.
5xy,3yz,-9xz