Answer:
One Solution
Step-by-step explanation: when x is equal to one number it is defined as one solution. I hoped I answered correctly. please comment if I haven't
Answer:
39
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
The given equations satisfy the given conditions. There are 2 equations and 2 unknowns, so a certain solution can be found.
This can be solved using substitution,
Substituting eqn 2 to eqn 1:
2(2y – 10) + 3y =1240
Simplifying,
y = 180
x = 350
Answer:
Step-by-step explanation:
5x+2x+7=7x+7