Answer:
11+x because the equation is reversabel.
Step-by-step explanation:
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Answer:
7x - 3
Step-by-step explanation:
3x+(4x-3)
Remove parenthesis
3x + 4x - 3
Combine like terms
3x + 4x = 7x
7x - 3
A = ((B+b)*h)/2
A = ((6+4)*3)/2
A = 15