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Mathematics
Lewis Garner
21 June, 16:31
what is 9+2|4x-3|=19
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Phoenix Kemp
21 June, 20:05
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9+2 (|4x-3|) = 19
2 (|4x-3|) + 9=19
Add - 9 to both sides.
2 (|4x-3|) + 9+-9=19+-9
2 (|4x-3|) = 10
Divide both sides by 2.
2 (|4x-3|) / 2=10/2
|4x-3|=5
Solve Absolute Value.
|4x-3|=5
4x-3=5 or 4x-3=-5
4x-3=5
4x-3+3=5+3 (Add 3 to both sides)
4x=8
4x/4=8/4 (Divide both sides by 4)
x=2
4x-3=-5
4x-3+3=-5+3 (Add 3 to both sides)
4x=-2
4x/4=-2/4 (Divide both sides by 4)
x=-1/2
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