When you solve systems with two variables and therefore two equations, the ... of any variable is 1, which means you can easily solve for it in terms of the other ... In the substitution method, you use one equation to solve for one variable and ... Look for a variable with a coefficient of 1 … that's how you'll know where to begin.

Step-by-step explanation:

4 0

3 years ago

it costs $61 to produce 3 calculators, $165 to produce 7 calculators, and $385 to produce 12, how much for 6 calculators

Valentin [98]

I think the answer is 120 calculators

7 0

3 years ago

Adam has 412 weeks to write 12 papers for school. If he spends an equal amount of time on each paper, how much time will it take

jarptica [38.1K]

Answer:

103/3 or 34.33333333

Step-by-step explanation:

just divede 412 by 12 and there your answer

4 0

2 years ago