Math, asked by manu3782, 1 year ago

(3x+20)
(4x-36)
Find x

Answers

Answered by bari37

1

Answer:

3x(4x+20)+20x(4x-36)

12x+60x+80x-720x

0=72x+x-640+x+x

0=4x+72-640

0=4x-568

0+568=4x

568=4x

x=568÷4

X=142

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