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Kathy Moss
English
25 August, 14:51
8x+15=3x-20 how do you do this
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Noe
25 August, 15:04
0
Solve for x
8x + 15 = 3x - 20
Add 20 to both sides. It should become
8x + 35 = 3x
Then minus 8x on both sides, which is now
35 = - 5x
Divide both sides by "negative" 5 to get x by itself
X = - 7
Check your answer by substitution. (Plug - 7 for x)
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