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hodyreva [135]
3 years ago
9

(2x+1)(x-1)=0 2x-10=5+3x​

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
8 0

Answer:

x=-1/2

x=1

x=-15

Step-by-step explanation:

NemiM [27]3 years ago
3 0

Step-by-step explanation:

2x-3x=5+10

-x=15

X=-15

2x+1=0.... 1

X-1=0

X=1......2

Substitute the value of x in equation 1

2*1+1=0

2=1

So the value of x is 1 and 2

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Answer:

x = -2, y = 3

Step-by-step explanation:

Given equations are,

4x + 5y = 7 ---------(1)

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Multiply equation (1) by 3

12x + 15y = 21 ------(3)

Multiply equation (2) by (-4)

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Now add equations (3) and (4),

(12x + 15y) + (-12x + 8y) = 21 + 48

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From equation (2),

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