h/2+7= 10
Move +7 to the other side
Sign changes from +7 to -7
h/2+7-7= 10-7
h/2= 3
Mutiply both sides by 2/1
h/2(2/1)= 3(2/1)
3*2= 6/1= 6
h= 6
Answer: h= 6
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