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Earn +20 ptsQ: What is 2x 5 9?
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2x plus 5 equals 9?
2x+5=9 2x+5-5=9-5 you leave only the x on one side. 2x=4 x=2
2x - 1 9?
2x-1=9 2x=10 x=5
5x 4 - 3x 5 2x - 9?
Here is how you solve this problem... 5x*4-3x*5*2x-9= (Combine like-terms) 5x-3x*2x= 2x*2x=(2x)2 (Add the rest of the problem) (2x)2*4*5-9=(2x)2*20-9 (2x)2*11 (2x)2 *11= your answer
4x2 - 12x plus 9 equals 5?
4x2 - 12x + 9 = 5; whence, 2x - 3 = ±√5, and 2x = 3 ±√5. Therefore, x = ½ (3 ±√5).
How do you solve the following x plus 4 plus x plus 5?
First add coefficients: * 1x + 1x = 2x Second add the other values: * 4 + 5 = 9 Put it all together!: * 1x + 1x + 4 + 5 = 2x +9 * 2x + 9
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