Answer:
2x
Step-by-step explanation:
Combine the négative and get -5x+7x then combine to get 2x.
Answer:
1. Multiply the value of the first variable by one of the original equations to solve for the second variable.
2. Solve for one of the variables.
3. Substitute the value of the known variable into one of the original equations to solve for the unknown variable.
Step-by-step explanation:
2.15 would be your answer
Answer:
The decimal would be 0.2 or in percentages, 20/100.
Step-by-step explanation: