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If 3x+4=133x+4=13, what is the value of x?

Sagot :

The value of x from the equation 3x + 4 = 31 and x + 4 = 13 is 9.

How to solve equation?

3x + 4 = 31

x + 4 = 13

From equation (2)

x + 4 = 13

subtract 4 from both sides

x = 13 - 4

x = 9

Substitute x = 9 into (1)

3x + 4 = 31

3(9) + 4 = 31

27 + 4 = 31

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