izzzzz49
28.01.2020 •
Mathematics
Absolute value equation
| -4 + 5x |= 16
show how to do the problem.
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Ответ:
so
|-4+5x|=16
so solve
-4+5x=16 and -4+5x=-16
add 4 to both sides
5x=20 and 5x=-12
divide both sides by 5
x=4 and x=-12/5
the 2 solutions are x=-12/5 and x=4
Ответ:
(2,10) and (-1,9) would NOT be on the line
Step-by-step explanation:
question is describing this linear equation:
y = -x + 8
(2,10) Does 10 = -2 + 8? NO
(-1,9) Does 9 = -1 + 8? NO
(0,8) Does 8 = 0 + 8? YES
(3,5) Does 5 = -3 + 8? YES