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if the sum of two expressions is 3x+5 and one expression is 5x-7 what is the other expression
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if the sum of two expressions is 3x+5 and one expression is 5x-7 what is the other expression
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Mathematics
3 years
2021-08-28T08:18:24+00:00
2021-08-28T08:18:24+00:00 1 Answers
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Answers ( )
Answer:
-2x + 12
Step-by-step explanation:
If we call our other expression y, we can set up an equation tying together 3x + 5, y, and 5x – 7:
Solving for y by subtracting 5x – 7 from both sides will get us the expression we’re looking for:
So the other expression in the sum is -2x + 12.