Answer:
Step-by-step explanation:
2x - 3 = 7 Add 3 to both sides
2x - 3+3 = 7 + 3 Combine
2x = 10 Divide by 2
2x/2 = 10/2 Combine
x = 5
These types of equations all follow the same pattern. The look like
ax + b = c You have to isolate the x so add b if b is minus or you subtract b if b is plus. Notice that b was minus in your question. So Add
Now you you have
ax = c - b That always happens. The x is isolated if you deal with b first. Now all you need to do is divide by a.
x = (c - b)/a
Try a couple
3x -4 = 5 The answer is 3
5x + 2 = 27 the answer is 5
