Answer:
x = 7/3
Step-by-step explanation:
So there's 3 x's, two -1s and 5 +1s.
3x + (2 * -1) = (5 * 1)
Multiply 2 times -1 and 5 times 1.
3x - 2 = 5
Add 2 to both sides (to cancel out the minus 2.)
3x - 2 + 2 = 5 + 2
3x - 0 = 7
3x = 7
Now, divide both sides by 3 to get the x by itself (so you end up with x = something).
(3x)/3 = 7/3
3/3 simplifies to 1 so you end up with:
x = 7/3
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