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OpenStudy (anonymous):
the sum of twice a number and 2 less than the number is the same as the difference between -18 and the number. What is the number?
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OpenStudy (anonymous):
2x + (x - 2) = -18 - x
OpenStudy (anonymous):
thanxs
OpenStudy (anonymous):
3x - 2 = -18 - x add x to both sides 4x - 2 = -18 add 2 to both sides 4x = -16 divide 4 both sides x = -4
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