Answer:
x= -2
Step-by-step explanation:
8-2=6
also, 8-8=0, 6-8= -2
x=-2
Hope this helps:)- please crown me brainliest!
Independent variables, which can be controlled or manipulated; dependent variables, which (we hope) are affected by our changes to the independent variables
3x -1 = 11
3x = 11 + 1
3x = 12
x = 4
I take it by, x2 + x, you mean 2x + x, since x = 4, then
2x + x = 2(4) + (4) = 8 + 4 =12
9 = 3^2
Since 3 squared equals 9, that is how 9 as a power of the base 3 should be written.
PEMDAS- Parenthesis, Exponent, Multiplication, Division, Addition, Subtraction.
