Solve the following linear equations and check the result :-
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Answered by
5
Step-by-step explanation:
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Answered by
3
Answer:
(a):------>
X=>3-2/5
X=>15/5-2/5
X=>13/5
(b):------->
12x/15-10x/15=7/12
2x/15=7/12
2x=7/12×15/1
2x=105/12
x=105/12×2
x=105/24
x= 4.375
(e):------->
5x/4+3/8=2
10x/8+3/8=2
10x+3=2×8
10x+3=16
10x=16-3
10x=13
x= 13/10
(f):--------->
x/3-x/5+2x/7-3x/4=7/2
140x/420-85x/420+120x/420-315x/420=7/2
-140x=7×420/2
-140x=1470
x=-1470/140
x=10.5
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