6x-3-9x-2
6x-9x = -3x
-3-2 = -5
the the equation is: -3x-5
Answer:
x=-6
Step-by-step explanation:
2x+y=-4
5x+3y=-6
solve :
multiply first equation by 3
6x+3y=-12
5x+3y=-6
subtract the two equations : 6x+3y-5x-3y=-12-(-6)
x=-12+6
x=-6
Answer:
False.
Step-by-step explanation:
If M(6, -2) were reflected across the line x = -3, then M' would be (0, -2) making the statement true.
Answer:
f(x) = 3^-x
f(2) = 3^-2 = 1/3^2 = 1/9
f(3) = 3^-3 = 1/3^3 = 1/27
First, you need to get rid of the fraction by multiplying both sides by 20 and you would get:
4(x + 2) = 5(x + 6)
Now, you need to get rid of the parenthesis by distributing:
4x + 8 = 5x + 30
Subtract both sides by 5x:
-x + 8 = 30
Subtract both sides by 8:
-x = 22
Now, divide both sides by -1:
x = -22
P.S.: You don't really need a calculator to solve.
