Answer:
Step-by-step explanation:
-70x + 21
1-8(10x-3)
-7(10x-3)
Use distributive property
(This is how we learned to do it in my school)
3x-12=12x
-12=12x-3x
-12=9x
-12/9=x
-4/3=x
x=-4/3
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D. 13*3^x
