2
5x X 2
2
10x ÷ 5x = 2
10x=10+5 10x=15 Therefore: 2x=3, having divided both sides of the equation by 5.
2.5
-10x = -50 Divide both sides by -10 remembering that a minus divided by a minus the quotient then becomes positive: x = 5 So: -10*5 = -50
If you mean: -10x+4-10x+5 then it is 9-20x when simplified
1.6667
0.5
10x - 5 = 2510x = 30x = 3
3.3333
5x + 4 = 10x - 5 10x - 5x = 4 + 5 5x = 9 x = 1.8
10x = 2*5*x
10x