Seudónimo Seudónimo

14-11-2016
Mathematics

contestada

Solve 3(x + 5) = 2x + 35

Step 1: 3x + 15 = 2x + 35

Step 2: 5x + 15 = 35

Step 3: 5x = 20

Step 4: x = 4

Which is the first incorrect step in the solution shown above?

Respuesta :

gabriellawright gabriellawright

14-11-2016

step 2 and all that follows is wrong because it should equal 20

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MangoWolf32 MangoWolf32

14-11-2016

The incorrect step is Step 2. You were supposed to subtract 2x and not add it.

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