Obtain a trinomial equation — task. Mathematics CBSE, Class 7.

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Solve the equation

(x + 26) + (y + 39) - (z - 28) + (y - 18)

and then simplify it if \(z =\)

(x - 21)

Answer:

i i i i

(Note: Enter each number, variable, sign or constant in separate box.)

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17. Obtain a trinomial equation