how are you today
Step-by-step explanation:
Answer:
1509
Step-by-step explanation:
Answer:
1. Write all the equations in standard form, leaving out decimals or fractions.
2. Select the variables to be eliminated; And then you take two of these equations, and you eliminate the variables.
3. Select a different set of two equations and eliminate the same variables as in step 2.
4. Solve two equations containing two variables from steps 2 and 3.
5. Substitute the answer to step 4 into any equation that contains the remaining variables.
6. Check the solution with three original equations.
Answer:
x=−1, y=−1
Step-by-step explanation:
Solve for x in the first equation.
x=−2−y
10x+3y=−13
Replace all occurrences of x with −2−y in each equation.
−20−7y=−13
x=−2−y
Solve for y in the first equation.
y=−1
x=−2−y
Replace all occurrences of y with −1 in each equation.
x=−1, y=−1
