12-(4*5)(x+15)=4

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Solution for 12-(4*5)(x+15)=4 equation:


Simplifying
12 + -1(4 * 5)(x + 15) = 4

Multiply 4 * 5
12 + -1(20)(x + 15) = 4

Reorder the terms:
12 + -1 * 20(15 + x) = 4

Multiply -1 * 20
12 + -20(15 + x) = 4
12 + (15 * -20 + x * -20) = 4
12 + (-300 + -20x) = 4

Combine like terms: 12 + -300 = -288
-288 + -20x = 4

Solving
-288 + -20x = 4

Solving for variable 'x'.

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

Add '288' to each side of the equation.
-288 + 288 + -20x = 4 + 288

Combine like terms: -288 + 288 = 0
0 + -20x = 4 + 288
-20x = 4 + 288

Combine like terms: 4 + 288 = 292
-20x = 292

Divide each side by '-20'.
x = -14.6

Simplifying
x = -14.6

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