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3x+3=19-5x(+5x) 8x+3=19 (+5x)(-3) 8x=16 (-3)(/8) x=2 (/8)
Algebra is all about balance, so anything you do to one side of the equation, you have to do to the other side as well. So first thing to do ...

Waterfalls are mainly found in the upper course of a river. They are formed where there are alternating bands of hard and soft rock along the river bed. This is because soft rock erodes around ten times q...

Firstly I would ensure the student understands the basic concepts of diffusion and what nutrients are. I would describe how food substances move through the digestive system and break down into amino acid...

Some areas remain 'switched off' owing to a fear of cultural erosion or a desire to retain heritage, such as occurs in North Korea; North Korea has banned social media like Facebook and Twitter in an atte...

Religious causes were undeniably of great significance to the PoG; the dissolution of the smaller monasteries in 1536 caused significant widespread discontent, as evidenced by the main demands of the rebe...