3x -4 (5 - x) = 7x -20
3x-20+4x=7x-20
7x-20=7x-20
There would be 60 houses left
Answer:
x + |x| = 2x
Step-by-step explanation:
if the number is more than 0 or greater, then if you add it to itself, it will be equal to the value of two of the previous number. Hope this helps
Answer:
x° = 61°
Step-by-step explanation:
Both of the "unknown" angles in the triangle are equal, since their opposite sides have equal lengths. (The triangle is isosceles.) The sum of angles in a triangle is 180°, so we have ...
58° + x° + x° = 180°
2x° = 122° . . . . subtract 58°, collect terms
x° = 61° . . . . . . . divide by 2