Respuesta :
Answer:
6
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
x
=
6
Answer:
x = 6
Step-by-step explanation:
In algebra, the goal is always to isolate the variable, so its value can be determined.
Step 1: Simplify
9x - 12 = 5x + 12
Step 2: Subtract 5x
To solve, we want all the variables on one side, so remove 5x from both sides.
4x - 12 = 12
Step 3: Add 12
4x = 24
Step 4: Divide by 4
x = 6
Step 5: Check
9(6) - 12 = 7(6) - 2(6) + 12
42 = 42 ✔
Step 6: Answer
x = 6
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