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Does anyone know how to do the first 3 for 1&2 ?

Does anyone know how to do the first 3 for 1&2 ?-example-1
User Jhinzmann
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1 Answer

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1a, 64/4=16 x=16cm
1b, 2(5x+2x)=98
2(7x) =98
14x=98
x=7
1c, 5(x+4)=45
5x+20=45
5x=25
x=5
User Confusified
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