Four less than two times a number is seven times the sum of that number and 8. Which equation could be used to solve this problem? 1. 4- 20 - In = 8
2. 2n - 4 = 77 + 8
3. 2n- 4 = 7(n + 8)
4. 4- 2n = 7(n+8)​

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7