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max2010maxim [7]
3 years ago
13

Please help me sole this equation !!

Mathematics
2 answers:
tester [92]3 years ago
6 0
(9x-15)/4=x /*4...... 9x-15=4x........ 5x=15........ x=3
Mnenie [13.5K]3 years ago
5 0
\frac{9x - 15}{4} = x             / * 4 (both sides)
9x - 15 = 4x                          / - 9x (both sides)
-15 = -5x                              / ÷ (-5) (both sides)
x = 3
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