An equation in standard form looks like Ax + By = C.
Let C = 80
Take it from here.
Answer:
he is currently 34
Step-by-step explanation:
x + 6 = 5(x-26)
x + 6 = 5x - 130
+130 +130
x + 136 = 5x
-x -x
136 = 4x
/4 /4
x = 34
You can check your work as well:
34 + 6 = 40
34 - 26 = 8
8 x 5 = 40
Answer:
3:1
Step-by-step explanation:
75%=
=
25%=
=
You can solve with the formula for cuadratic equations:
x=−b±√b2−4ac
2a