Which is the correct one???

Mathematics

2 answers:

inysia [295]3 years ago

7 0

Answer:

x=12 Hope this helps!!!

Step-by-step explanation:

Remember a straight line equals 180 and when you have the box the angle is 90 degrees. Try solving the equation 5x-22+4x+4+90=180.

5x-22+4x+4+90=180 (combine like terms)

9x+72=180 (subtract 72 from both sides)

9x=108 (divide 9 on both sides)

x=12

Alik [6]3 years ago

6 0

Answer:

Step-by-step explanation:

5x-22+4x+4 = 90

9x-18=90

9x=108

x=12

4*12+4

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