4n/7 + 8 = 20
subtract 8 from each side: 4n/7 = 12
multiply each side by 7: 4n = 84
n = 21
11
To solve for x, we'd have to know what this expression equals.
y=16 x= -4
To find what divided by five equals four, you can set up the equation: ( x / 5 = 4 ). To solve for ( x ), multiply both sides by 5, which gives you ( x = 20 ). Therefore, 20 divided by five equals four.
-7m + 20 = -17m - 1010m = -30m = -3
(20 - x)/5
20
11
To solve for x, we'd have to know what this expression equals.
25
y=16 x= -4
-7m + 20 = -17m - 1010m = -30m = -3
20
85
68
20 = 400
-3x + 5 = 20 -3x = 15 x = -5