solve the sum 0.3x + 0.4=0.21x + 1.12
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Answered by
1
0.3x - 0.21x=1.12-0.4
=>0.07x=0.72
=>7x=72
=>x=72/7=10.2857
genious2000:
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Answered by
2
0.3x+0.4=0.21x+1.12
0.3x-0.21x=1.12-0.4
-0.09x=0.72
-x=0.72/0.09
-x=8
x=-8
0.3x-0.21x=1.12-0.4
-0.09x=0.72
-x=0.72/0.09
-x=8
x=-8
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