20 + 6 + 11 + 10 adds up to 47
5(x+6) is the answer you are looking for. x represents a number
1) the standar form of the equation is ax+by = c, therefore, for y = -2/3x+5, multiply by 3 the previous equation, and its result is 3y = -2x+15⇒ 3y +2x = 15
the final result is 2x+3y = 15
-8n where n > 0 and whole number (-8n/8=-n)
-8*1=-8
-8*8=-64
-8*9=-72
Answer:
-8, -64, -72
