Kenz413 Kenz413

08-04-2017
Mathematics

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Help me lisee7 I need help with how to write the formula and how to solve it

Help me lisee7 I need help with how to write the formula and how to solve it class=

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08-04-2017

I think that 12 is negative
2x+30= 1/2(9x-12+8x-6)

2x+30= 1/2( 17x-18)
2x+30= 8.5x-9
Subtract 2x
30= 6.5x-9
Add 9
39= 6.5x
Divide by 6.5
X=6
So 2x+30
2(6)+30
= 42

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