15x+21(x-4)=96

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Solution for 15x+21(x-4)=96 equation:


Simplifying
15x + 21(x + -4) = 96

Reorder the terms:
15x + 21(-4 + x) = 96
15x + (-4 * 21 + x * 21) = 96
15x + (-84 + 21x) = 96

Reorder the terms:
-84 + 15x + 21x = 96

Combine like terms: 15x + 21x = 36x
-84 + 36x = 96

Solving
-84 + 36x = 96

Solving for variable 'x'.

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

Add '84' to each side of the equation.
-84 + 84 + 36x = 96 + 84

Combine like terms: -84 + 84 = 0
0 + 36x = 96 + 84
36x = 96 + 84

Combine like terms: 96 + 84 = 180
36x = 180

Divide each side by '36'.
x = 5

Simplifying
x = 5

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