15(x-9)-2(x-12)+5(x+6)=0

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Solution for 15(x-9)-2(x-12)+5(x+6)=0 equation:


Simplifying
15(x + -9) + -2(x + -12) + 5(x + 6) = 0

Reorder the terms:
15(-9 + x) + -2(x + -12) + 5(x + 6) = 0
(-9 * 15 + x * 15) + -2(x + -12) + 5(x + 6) = 0
(-135 + 15x) + -2(x + -12) + 5(x + 6) = 0

Reorder the terms:
-135 + 15x + -2(-12 + x) + 5(x + 6) = 0
-135 + 15x + (-12 * -2 + x * -2) + 5(x + 6) = 0
-135 + 15x + (24 + -2x) + 5(x + 6) = 0

Reorder the terms:
-135 + 15x + 24 + -2x + 5(6 + x) = 0
-135 + 15x + 24 + -2x + (6 * 5 + x * 5) = 0
-135 + 15x + 24 + -2x + (30 + 5x) = 0

Reorder the terms:
-135 + 24 + 30 + 15x + -2x + 5x = 0

Combine like terms: -135 + 24 = -111
-111 + 30 + 15x + -2x + 5x = 0

Combine like terms: -111 + 30 = -81
-81 + 15x + -2x + 5x = 0

Combine like terms: 15x + -2x = 13x
-81 + 13x + 5x = 0

Combine like terms: 13x + 5x = 18x
-81 + 18x = 0

Solving
-81 + 18x = 0

Solving for variable 'x'.

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

Add '81' to each side of the equation.
-81 + 81 + 18x = 0 + 81

Combine like terms: -81 + 81 = 0
0 + 18x = 0 + 81
18x = 0 + 81

Combine like terms: 0 + 81 = 81
18x = 81

Divide each side by '18'.
x = 4.5

Simplifying
x = 4.5

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