2 answers:
Answer:
2x+3=-13
x=5
Step-by-step explanation:
it says 2 times a number which would be the 2x, and it says the sum of that and 3 which would be 2x+3 and it says is 13. 2x+3=13
now solving it
2x+3=13
subtract 3 from both sides
2x=10
and divide 2 from both sides
x=5
Answer:
Equation: 2n+3 = -13 Number: -8
Step-by-step explanation:
Ok so, it states the sum of twice a number and 3 equals -13. The question states to consider the number as "n" so the equation is 2n + 3 = -13.
Subtract 3 on both sides. Now . you have 2n = -16.
Divide 2 on both sides.
n = -8
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Oh, I remember this one. Here's this if you need it, if it doesn't help then let me know.
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