So with this equation, you have to work inside out with the parentheses. Firstly, solve 3+4: [tex] \{30-[12-7+2]*2\}-15 [/tex]
Next, solve 12 - 7 + 2: [tex] \{30-7*2\}-15 [/tex]
Next, solve 7 x 2, then 30 - that product: [tex] 16-15 [/tex]
Lastly, solve 16 - 15, and your answer will be 1.
