(x-10)degree+(x+5)degree=(4x-25)degree
find the value of x
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Answer:
(x-10) +(x+5) =(4x-25)
Step-by-step explanation:
x-10+x+5=4x-25
x+x-4x=-25-5+10
-2x=-20
2x=20
x=20÷2
x= 10
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