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OpenStudy (anonymous):
an unknown number is decreased by five and increased by two . the result is -10
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OpenStudy (anonymous):
work backwards. start with -10. If the last step was increase by 2, then subtract. your answer is -7
OpenStudy (calculusxy):
x - 5 + 2 = -10
OpenStudy (anonymous):
x-5+2=-10 +5 -2 +5 -2 x = ?
OpenStudy (anonymous):
so i add 5 both sides ?
OpenStudy (anonymous):
Add 5 to both sides, and subtract 2 from both sides
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OpenStudy (anonymous):
an unknown number is multiplied by 3 and divided by -4 . the result in -6
OpenStudy (anonymous):
(3x/-4) = -6 multiply both sides by -4 and solve
OpenStudy (anonymous):
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