Seudónimo
Seudónimo
26-01-2017
Mathematics
contestada
What is x?
11 + 3x = −15 − 4x
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Аноним
Аноним
26-01-2017
11 + 3x = −15 − 4x
U subtract 11 from both sides 11+3x-11=-15-4x-11
Refine3x=-4x-26
Add 4x to both sides
3x+4x=-4x-26+4x
Refine7x=-26
Divide both sides by 7
7x/7 = -26/7
Refinex= -26/7
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