X^2 +3x-4=0
(X+4)(x-1)=0 so x = -4 and x=1 are solutions
The answer is 20.5 try it good luck
Answer:
z = 11
Explanation:
5y + 13 = 6y
Subtract 5y by both sides.
13 = y
Next,
z + 22 = 3z
Subtract z by both sides.
22 = 2z
Then, divide both sides by 2.
11 = z
Finally plug those answers into the equations.
5(13) + 13 = 78
6(13) = 78
(11) + 22 = 33
3(11) = 33
So △DEF ≅ △JKI because the value of z = 11.
step 2 would be 10
step 4 would be 10x-x = 9x =7
x = 7/9
