Answer:150
Step-by-step explanation: you see what makes 550 200 plus what 350 then it equal 550 then you see 200 plus what equals 350 150 so that is a 150%
Answer:
1. 30x + 20
2. -10x + 60
Step-by-step explanation:
Answer:
A)
Step-by-step explanation:
B can be either 2/3 or -2/3
For this case we must solve the following linear equation:

Adding similar terms from the left side of the equation:

Subtracting
from both sides of the equation we have:

Thus, equality is not fulfilled. So the equation has no solution.
Answer:
No solution