Page 66 - og_7den_8e_Mat

EŞİTLİK VE DENKLEM

ÖZET KONU TEKRARI

2x 6 8) 2x – 4 = 5x + 5
6) 2x = 6 ➞ = ➞ x = 3
2 2
–4 – 5 = 5x – 2x
–9 = 3x
a) 5x = 10 b) –4x = 12
–9 3x
= ➞ x = –3
3 3

c) –3x = –15 ç) 10x = –5 a) x – 6 = 5x – 14

d) 20x = 80 e) –10x = 100

b) 6 – 3x = 8 – 5x
f) –6x = –48 g) 7x = –1

7) 2x + 4 = 6
2x = 6–4
2x = 2 c) 6x – 1 = 2x – 1
2x 2
= ➞ x = 1
2 2

a) 5x – 4 = 6 b) –7x + 1 = 8

ç) x – 3 = 2x – 6

c) –2 – 3x = 4 ç) –x + 3 =1

d) 10 – x = 5 + x

d) 10x – 5 = 5 e) –3x + 3 = 6

e) 4x – 4 = 2 – 4x

f) –1 – 10x = 19 g) –x – 3 =–5

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