![MayFlowers](/avatars/6863.jpg)
MayFlowers
27.05.2020 •
Mathematics
Which of the following would NOT be the result of a substitution in the following system?
2x + y = 7
y - x = 1
Answers
A. 2(y + 1) + y = 7
B. 2x + x + 1 = 7
C. 7 - 2x - x = 1
Solved
Show answers
More tips
Answers on questions: Mathematics
- M Mathematics The powers associated with component ‘a and ‘b are given in the circuit below. find the power of component c....
- M Mathematics Choose the correct graph for the following function...
- M Mathematics Which of the following is the quotient of the rational expressions shown below?...
- M Mathematics What is the length of the diameter? 4.5 units 8 units 12 units 12.5 units...
- M Mathematics Two more than 3 times a number is 20. find the number....
- M Mathematics What is the GCF of 104 and 117...
- M Mathematics Justin leaves his house at 10:06am and arrives at his friends house to practice their soccer moves at 10:15am Justin arrives back home at 12:15pm how long was Justin away from home...
- M Mathematics Three less than a 6 times a number is 39. find the number...
- M Mathematics Which is greater 4/7 x 1/4 or 4/7 x 1/6...
- M Mathematics The table shows the probabilities of certain prizes in a restaurant’s contest where the first 100 customers are winners. A 2-column table with 6 rows. The first column is labeled...
Ответ:
A
Step-by-step explanation:
y-x=1 so to solve for x
-x = -y + 1
x = (y - 1) so A is incorrect because it substitutes (y +1) for x
Ответ:
b and d
Step-by-step explanation: