Answer:
x=25 5/7
Explanation:
A triangle has to equal 180 degrees when all its angles are combined.
4x+2x+10^0+x-5^0=180
Any number to the power of 0 is 1 so: 4x+2x+1+x-1=180
Merge like terms: 7x=180
Solve: x=25 5/7
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