Pls Work out fast
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13
Answer:
c
d
a
b
Step-by-step explanation:
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Answered by
5
Answer:
1) x+ x+1 = 21
2x= 21-1
2x=20
x= 20/2
x= 10
2)px+q-y=0
q= -px+y
q= y-px
3)A is x years old
B is (x-2)-2 years old
B is x-4 years old.
4)1/a=1/4
a=4
5)2/x-1 =1
2=x-1
2-1=x
x= 1
6)1/3x +8=29
1/3x = 29-8=21
x= 21÷1/3
x= 21× 3
x= 63
7) a) y+4=10
8) 4/x + 2=3
4/x= 3-2=1
4=x
x=4
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