4[5(12+3)-2]-7=d

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Solution for 4[5(12+3)-2]-7=d equation: 


Simplifying
4[5(12 + 3) + -2] + -7 = d

Combine like terms: 12 + 3 = 15
4[5(15) + -2] + -7 = d

Multiply 5 * 15
4[75 + -2] + -7 = d

Combine like terms: 75 + -2 = 73
4[73] + -7 = d

Multiply 4 * 73
292 + -7 = d

Combine like terms: 292 + -7 = 285
285 = d

Solving
285 = d

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '-1d' to each side of the equation.
285 + -1d = d + -1d

Combine like terms: d + -1d = 0
285 + -1d = 0

Add '-285' to each side of the equation.
285 + -285 + -1d = 0 + -285

Combine like terms: 285 + -285 = 0
0 + -1d = 0 + -285
-1d = 0 + -285

Combine like terms: 0 + -285 = -285
-1d = -285

Divide each side by '-1'.
d = 285

Simplifying
d = 285

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