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lubasha [3.4K]
3 years ago
14

Solve to find the value of x.

Mathematics
1 answer:
Tresset [83]3 years ago
6 0

Answer:

x=12

Step-by-step explanation:

We know that a right angle is 90 degrees. So we can make the equation 35+4x+7=90. Now, we can solve fore X! We can combine 35 and 7 to make the equation 4x+42=90. In order to isolate x we have to subtract 42 from both sides, getting us the equation 4x=48. Now, in order to isolate x we must divide each side by 4, getting us the equation 12=x.  To prove that x=12, we can subsitute x for 12.  This means that we can do 35+4(12)+7=90. Or, 35+48+7 =90, which simplified, is 90=90, making x=12 true. Hope this helps :)

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