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Solve the equation. 3(x – 9) = 30
asked
Jun 25, 2017
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Solve the equation. 3(x – 9) = 30
Mathematics
middle-school
Jeroen De Dauw
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Jeroen De Dauw
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3(x-9)=30
3x-27=30
+27 +27
3x=57
x=19
Mr Griever
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Jun 28, 2017
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Mr Griever
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7
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First you expand the brackets:
3x - 27 = 30
And then you can solve:
3x - 27 = 30
+ 27
3x = 57
÷ 3
x = 19
Hope this helps!
Chasidishe
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Jun 30, 2017
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Chasidishe
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