0
3X + 7 = 25
subtract 7 from each side
3X + 7 - 7 = 25 - 7
3X = 18
divide each sides integers by 3
(3/3)X = 18/3
X = 6
--------------check in original equation
3(6) + 7 = 25
18 + 7 = 25
25 = 25
-------------checks
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What is the first step to solving 40 plus x equals 25?
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Anton Heinrich Springer?
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