Vraag 1

Los op:

a

5x + 5 = 25
b

20q – 40 = 200
c

¼y + 10 = 35
d

½ p – 5 = 100

a 5x + 5 = 25

5x = 20
x = 4
b

20q – 40 = 200

20q = 240
q = 12
c

¼y + 10 = 35

¼y = 25
y = 100
d

½ p – 5 = 100

½ p = 105
p = 210 

 
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