3 years ago

Given m||n, find the value of (x+12) 4x-7)°

Mathematics

1 answer:

Nookie1986 [14]3 years ago

4 0

9514 1404 393

Answer:

x = 35

Step-by-step explanation:

The marked consecutive interior angles are supplementary:

(x +12)° +(4x -7)° = 180°

5x +5 = 180 . . . . . collect terms, divide by °

x + 1 = 36 . . . . . . . divide by 5

x = 35 . . . . . . . . . . subtract 1

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