Respuesta :

mattclayton

Answer:

x=20

Step-by-step explanation:

4x+10=90

4x=80

x=20

mark brainliest please

saylorhaney
x=20. You would add the x’s together to give you 4x+10. It would equal 90 bc of the right angle. Subtract your 10 over. You now have 4x=80. Divide the 4 off. This make x=20
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