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The steps below show the incomplete solution to find the value of x for the
equation 7x - 3x - 4 = -1 + 21:
Step 1: 7x - 3x - 4= -1 + 21
Step 2: 7x - 3x - 4 = 20
Step 3: 4x - 4 = 20

Respuesta :

Just add 4 on both sides then divide both sides by 4 and then you’ll get your answer. I hope that helps!
mark4yeshua

Answer: add ffor on both sides

Step-by-step explanation:

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