Answer:
3
Step-by-step explanation:
To evaluate the expression, we have to substitute the variable in the expression, z, for its stated value. Given that z = 6, substitute 6 for the z in the expression and solve:

Thus, the answer is 3.
Answer:
=−3x+42
Step-by-step explanation:
Let's simplify step-by-step.
−4(x−7)+x+14
Distribute:
=(−4)(x)+(−4)(−7)+x+14
=−4x+28+x+14
Combine Like Terms:
=−4x+28+x+14
=(−4x+x)+(28+14)
=−3x+42
Answer:
4/5-0.8-80%
Step-by-step explanation:
13 + (15) = 28
Because you always add the numbers in the parenthesis so 12 + 3 = 15 and 13 + 15 = 28