Solve the system of equations using substitution.
1 answer:
Answer:
C. No solution.
Step-by-step explanation:
y = −2x + 1
4x + 2y = −1
Substituting y = -2x + 1 in the second equation:
4x + 2(-2x + 1) = -1
4x - 4x + 2 = -1
2 = -1 which is absurd so there is no solution.
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Answer:
x=-y/3
y=-3x
Step-by-step explanation:
dy/dx=4x-y means 4x-y=0
dy/dx=x-2y also means x-2y=0 then
4x-y=x-2y
3x=-y
y=-3x
x=-y/3
Answer:
17
Step-by-step explanation:
Answer:
1. -20
2. 27
3. 36
4. -200
16 inches. 28 minus 12 (one foot) equals 16
3 feet = 36 inches 4 yards = 13 feet 12 feet = 4 yards
