Let the unknown number be x
13x+72= -23x
13x+23x= -72
36x= -72
x= -2
Answer:did you know i like frogs
Step-by-step explanation: because i do
X + Y = 180 so X = 122. W = X = 122. Z = Y = 58
Answer:
E) b^2
Step-by-step explanation:
Solving the first equation for a, we get ...
a - b = 0
a = b . . . . . . add b to both sides
Now, the expression ab can be rewritten as
ab = bb = b^2 . . . . . . substitute b for a
