Answer:
13.92
Step-by-step explanation:
Forth degree trinomial because we have a number that’s to the exponent of four and we have 3 terms.
4- 7x = 23- 5
4 - 7x = 18
-4 = -4
-7x = 14
/-7 = /-7
X = -2
3x = -6
Answer: x=10
Step-by-step explanation: 7x10 =77. 90-77=13 which was shipping