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Mathematics
Romeo
29 June, 15:02
What is the value of x?
3 (x-2) + 5x=18
+2
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Kyler Adkins
29 June, 16:44
0
3 (x-2) + 5x=18
3x - 6 + 5x = 18
simplify
8x - 6 = 18
add 6 to both sides
8x - 6 + 6 = 18 + 6
8x = 24
Divide both sides by 8
8x/8 = 24/8
x = 3
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Ariel Rivers
29 June, 18:56
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Here's how I'd work it:
3 (x-2) + 5x=18
3x-6+5x=18
8x=24
x=3
To check it, put substitute x into the original equation:
3 (3-2) + 5 (3) = 18
3+15=18
18=18
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