Can somebody please help me with this. 3x + 4(x+20)
1 answer:
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To solve this we have to work backwards.
start with -7 and add 12 to it to undo the first move
now take 5 and multiply by 5 to undo the last move
check our work:
start with -7 and add 12 to it to undo the first move
now take 5 and multiply by 5 to undo the last move
check our work:
