3(4x-3)+2(x-4)=81

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Solution for 3(4x-3)+2(x-4)=81 equation:


Simplifying
3(4x + -3) + 2(x + -4) = 81

Reorder the terms:
3(-3 + 4x) + 2(x + -4) = 81
(-3 * 3 + 4x * 3) + 2(x + -4) = 81
(-9 + 12x) + 2(x + -4) = 81

Reorder the terms:
-9 + 12x + 2(-4 + x) = 81
-9 + 12x + (-4 * 2 + x * 2) = 81
-9 + 12x + (-8 + 2x) = 81

Reorder the terms:
-9 + -8 + 12x + 2x = 81

Combine like terms: -9 + -8 = -17
-17 + 12x + 2x = 81

Combine like terms: 12x + 2x = 14x
-17 + 14x = 81

Solving
-17 + 14x = 81

Solving for variable 'x'.

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

Add '17' to each side of the equation.
-17 + 17 + 14x = 81 + 17

Combine like terms: -17 + 17 = 0
0 + 14x = 81 + 17
14x = 81 + 17

Combine like terms: 81 + 17 = 98
14x = 98

Divide each side by '14'.
x = 7

Simplifying
x = 7

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