[tex]\huge\boxed{\mathcal{HELLO!:)}}[/tex]
First of all, let's use the Distributive Property and distribute 3:
[tex]\rm{3(2x+z)[/tex]
[tex]\rm{6x+3z[/tex]
Now, plug in the values of x and z:
[tex]\rm{6(8)+3(2)[/tex]
Multiply:
48+6
Add:
[tex]\huge\boxed{\boxed{\maltese\pmb{Answer:54}}}[/tex]
Hope it helps! Enjoy your day!
~Just a determined gal
[tex]\bf{erutaNtneliS[/tex]