Solve the equations:
(i) 3(x−1)+7=11
(ii) 20−(2x−5)=25
(iii) 2x + 1
/4=
7
/4
(iv) 4(x+1)= 4
plz answer fast
Answers
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3
Answer:
1)x=7/3
2)x=-0
3)x=3/2
4)x=0
Step-by-step explanation:
1) 3(x-1)+7=11
3x-3+7=11
3x+4 =11
3x =11-4
3x=7
x=7/3
2)20-(2x-5)=25
20-2x+5=25
20-2x=25-5
20-2x=20
-2x=20-20
-2x=0
x=-0
3)2x+1/4=7/4
2x=7/4 -1/4
2x=6/4
x=3/2......(multiplying both side by 2)
4)4(x+1)=4
4x+4=4
4x=4 -4
4x=0
x=0/4
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