Answer:
x=-1
Step-by-step explanation:
4(x+3)=8
4x+12=8
4x=-4
x=-1
Answer:
d
Step-by-step explanation:
Using the rule of exponents
=
, then
=
= 
Answer:

Step-by-step explanation:
Given:
Make the power of '10' equal by shifting the decimal place of any one value.

Taking the '
' common

Adding the values in the bracket gives:
