SOLUTION: {{{-x-(13+4x)=-3(5-9x)+2}}}
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Question 160491
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Answer by
checkley77(12844)
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-x-(13+4x)=-3(5-9x)+2
-x-13-4x=-15+27x+2
-5x-13=27x-13
-5x-27x=-13+13
-32x=0
x=0
Proof:
-0-(13+4*0)=-3(5-9*0)+2
0-13-0=-15+0+2
-13=-13