10x-5x-6x=-6-20+5-x=-21 .(-1)X=21
10x-5-5x=6x-6-20
5x-5=6x-26
5x-6x=-26+5
-x=-21 x(-1)
x=21
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Verified answer
10x-5x-6x=-6-20+5
-x=-21 .(-1)
X=21
Verified answer
10x-5-5x=6x-6-20
5x-5=6x-26
5x-6x=-26+5
-x=-21 x(-1)
x=21