Question

Find the value of x
1 x=11
2 x=12
3 x=19
4 x= 20

Answer 1

Answer:

$11x + 4 = 12x - 7 \\ \\ 12x - 11x = 7 + 4 \\ \\ x = 11$

it's is a corresponding angel they are equal each other ( = )

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