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zmey [24]
3 years ago
11

suppose the solution x = 6 increases to x = 9, and the left side of the equation stays the same. How would the right side need t

o chang if the solution is now x = 9
Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
7 0
X = 9 - 3, does this help?
Tanzania [10]3 years ago
5 0

Answer:

The original solution of the equation

  x=6

Adding 3 on both sides, gives

x+3=6+3

x+3=9

 x=9-3

So,Addition of 3 on left hand side or subtraction of 3 from 9 in right hand side gives solution x=9.

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Step-by-step explanation:

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Simplify the expressions and evaluate for (i) y = -2, (ii) y = 3.<br> 3y (2y-7) - 3 (y - 4) - 63
Diano4ka-milaya [45]

Simplified expression is 6y² - 24y - 51. Value for y=-2 is 21 and value for y=3 is  -69.

Step-by-step explanation:

  • Step 1: Given expression is 3y(2y-7) - 3(y - 4) - 63. Simplify it.

⇒ 6y² - 21y - 3y + 12 - 63

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⇒ 6y² - 24y - 51 = 6(-2)² - 24(-2) - 51 = 24 + 48 - 51 = 21

  • Step 3: Find value of the expression for y = 3

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