cass9980
08.12.2020 •
Mathematics
-7x-3=12
Solve this please and show me how you got it
Solved
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Ответ:
x = -15/7
Step-by-step explanation:
1. First we need to add 3 to both sides, and then evaluate.
−7x − 3 + 3 = 12 + 3
= −7x − 3 + 3 = 15
= −-10x + 3 = 15
= −7x=15
2. Now we need to divide both sides by -7
-7x/-7 = 15/-7
x = -15/7
Ответ: