How would i answer and show work for 4[5(12+3)-2]-7

4 [5(12+3)-2]-7
4 [5 (15)-2]-7
4 [75-2]-7
4 [73] -7
292-7
285

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!

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