Answer:
1. if x + 5 = 12, then x = 7
<u>:Subtraction property of equality</u>
2. If x + y = 20, and y = 5, then x + 5 = 20.
<u>:Substitution property of equality</u>
3. If 2x3 = 11, then 11 = 2x - 3.
<u>:Symmetric property of equality</u>
Answer:
x=16
Step-by-step explanation:
27/45=(2x+7)/(4x+1)
cross multiply
27(4x+1)=45(2x+7)
108x+27=90x+315
108x-90x=315-27
18x=288
x=288/18
x=16
Answer:
70
Step-by-step explanation:
In the picture above.
Hello!
<h3><em><u>Answers</u></em></h3>
1. Simplest form:
2. Simplest form:
3. Simplest form:
4. Simplest form:
5. Simplest form:
6. Simplest form:
<h3><em><u>Explanation:</u></em></h3>
Simply add the numerators of the like fractions together. The denominators remain the same.
Answer:
I think it is C but not for sure
Step-by-step explanation: