October 2018 1 46 Report

1. Wykonaj wskazane przekształcenia

a. 2t + 4 = t-3 | -4

..... = .....

b. 1-3t = 3 -4t | +4t

..... = .....

c. x = 1/5x - 3 |-1/5x

.....=.....

d.1/4y = 3+ y | -y

....=.....

e. x+1/4 = 2x+1/2 | x4

.....=......

f, 3(x - 8) = 6x - 9 | ;3

.......=.......

2. Zapisz jakie działania wykonano po obu stronach równania.

a. 5x - 1 = 1/2(3x - 8) | ....

10x - 2 = 3x-8 | ....

7x - 2 = -8 |....

7x = -6 | ....

x = -6/7


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