Respuesta :

MikeMart77

Congruent means "the same value". The easiest way to solve this is to equate their values, using algebraic terms.

[tex]30=x+2x+15\\30=3x+15\\30-15=3x\\15=3x\\15/3=x\\x=5[/tex]

Therefore, [tex]x=5[/tex].

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