Is x=2 a solution to the equation below?
4(x-1)-3(x-2)=-8

No

Step-by-step explanation:

To find out if 2 is a solution, replace all the x's with 2.

4(2 - 1) - 3(2 - 2) =8

4(1) - 3(0) = 8

4 - 0 = 8

4 = 8

Nope!  False!  2 is not a solution.

Question:

Which is the value of the expression

A. 1

B. 2

C. 8

D. 10

B. 2

Step-by-step explanation:

Given

Required

Evaluate

Split Fraction

From Laws of Indices

Applying this law to the above expression, we have

Also, from Laws of Indices

Applying this law to the above expression, we have

Multiply 10 by 1

Hence,