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OpenStudy (anonymous):
write the property of Equality that has been used in each step. 6(2x-5)=7x+15 12x-30=7x+15 (step 1) 12x-30+30=7x+15+30 (Step 2) 12x=7x+45(step 3) 12x-7x=7x+45-7x (step 4) 5x=45 (step 5) 5x 45 --- = ---- (step 6) 5 5 x=9 (step 7)
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OpenStudy (uri):
Let me check c:
OpenStudy (uri):
Correct!! :)
OpenStudy (anonymous):
Here is a list of mathematical properties of equality. Maybe it will help... http://www.basic-mathematics.com/properties-of-equality.html
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