Simplify 19 - 1.67 + (-2.4)
1 answer:
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Answer:
a) 12x + 22 b) 17 - x
Step-by-step explanation:
Perimeter is the sum of the each side length.
The first example is a rectangle so the (4x+8) and the (2x+3) are doubled.
(4x+8) x 2 = 8x+16
(2x+3) x 2 = 4x + 6
12x+22
(6 - 12x) + (2
+ x) + (9
+ 10x)
combine like-terms.
17 - x