Answer:
x = 7
Step-by-step explanation:
Rule: an even number of - signs written one after another produces a plus number.
So - - 3 = 3
The rule also lets you do something strange like
- - - - 4 = 4 but you hardly ever see this.
Rule: an odd number of minus signs produces a minus number.
x + 3 = 10 Subtract 3 from both sides.
x + 3 - 3 = 10 - 3
x = 7
Answer:
B. 9
Step-by-step explanation:
The bases are the same so you just subtract the exponents. 3^4-2 = 3^2 and 3 squared is 9.
Answer:
I think its C
Step-by-step explanation:
Answer:
Step-by-step explanation:
No solution
Answer:
40.00
Step-by-step explanation: