osmarirodriguez2079
02.03.2020 •
Mathematics
-x - 3 = x + 5 - 3x - 16
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Ответ:
-8
Step-by-step explanation:
1. Combine like terms.
-x - 3 = (x - 3x ) + ( 5 - 16)
2. Simplify.
-x - 3 = -2x - 11
3. To balance the equation, add 2x on both sides.
-x - 3 + 2x = -2x - 11 + 2x
4.
x - 3 = - 11
Solve for x, which gives you -8.
Ответ:
0
Step-by-step explanation:
-2 - (-4) -2
-2 + 4 -2
2 - 2
0