Store “B’s” Xbox costs 20% more than Store “A’s” Xbox. If store “B’s” Xbox costs $210 then how much does the Xbox at Store “A” cost

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

What is the solution to the equation below? 3/x-2+6=square root x-2 +8