Answer:
x will be the unkonwn number
7x a number times 7
7x+20 the sum of a number times 7 and 20
is at least means its greater or equal to -26
7x+20>= -26
Step-by-step explanation:
Answer:
I think the tall of the tree is eight meters
195- (9x25)-30. there ya go!
It's not possible to do any of that without seeing any of their work.
By the way, that system of equations has no solution.
<u>Explanation:</u>
The sign of the product of any odd number of negative integers is positive because when two minuses are multiplied with each other, it will result in a positive number.
<u>For example:</u>
- -3 x -5
- => -1 x -1 x (3 x 5)
- => 1 x (3 x 5)
- => 15 (Which is positive)
Hoped this helped!