Find 5x − 3y − z if x = −2, y = 2, and z = −3

Plug in the values for the variables that is given.
So the equation would be
5(-2)-3(2)-(-3)
Solve
5(-2)-3(2)-(-3)
-10-6+3
-16+3
-13
The answer is -13

Where is the problems

38+105= 143, 39+104=143, and you will find then adding the numbers on opposite sides, moving inwards yields the answer 138 every time. because of this, you’re going to multiply 138 times the number of pairs, which is 34. therefore, 34*138= 4692(i’m sorry if it’s the wrong numbers, but it’s the right concept)