3(2x-5)-4(x-8)=56

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Solution for 3(2x-5)-4(x-8)=56 equation:


Simplifying
3(2x + -5) + -4(x + -8) = 56

Reorder the terms:
3(-5 + 2x) + -4(x + -8) = 56
(-5 * 3 + 2x * 3) + -4(x + -8) = 56
(-15 + 6x) + -4(x + -8) = 56

Reorder the terms:
-15 + 6x + -4(-8 + x) = 56
-15 + 6x + (-8 * -4 + x * -4) = 56
-15 + 6x + (32 + -4x) = 56

Reorder the terms:
-15 + 32 + 6x + -4x = 56

Combine like terms: -15 + 32 = 17
17 + 6x + -4x = 56

Combine like terms: 6x + -4x = 2x
17 + 2x = 56

Solving
17 + 2x = 56

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 + 2x = 56 + -17

Combine like terms: 17 + -17 = 0
0 + 2x = 56 + -17
2x = 56 + -17

Combine like terms: 56 + -17 = 39
2x = 39

Divide each side by '2'.
x = 19.5

Simplifying
x = 19.5

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