8 x 64
=64 x 2 x 4
=128 x 2 x 2
=256 x 2
=512
Answer: 2x
2
+5x−3
Step-by-step explanation:
2x
2
−x+6x−3
2x
2
+(−x+6x)−3
You can set up a simple algebraic equivalent to find a number equivalent to 200 after being multiplied by 3 and added 11 to.
3x+11=200
3x=189
x=63
Had to edit! Realized what I had done wrong
W = width
3w + 7 = length
Equation: 3w + 7 + w = 75
Combine like terms: 4w + 7 = 75
Subtract 7 to the other side: 4w = 68
Divide both sides by 4: w = 17
Width = 17
Length = 3(17) + 7, so 58
Per cent means out of 100. 47/100
