3(18-x)=4x+5

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Solution for 3(18-x)=4x+5 equation:


Simplifying
3(18 + -1x) = 4x + 5
(18 * 3 + -1x * 3) = 4x + 5
(54 + -3x) = 4x + 5

Reorder the terms:
54 + -3x = 5 + 4x

Solving
54 + -3x = 5 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
54 + -3x + -4x = 5 + 4x + -4x

Combine like terms: -3x + -4x = -7x
54 + -7x = 5 + 4x + -4x

Combine like terms: 4x + -4x = 0
54 + -7x = 5 + 0
54 + -7x = 5

Add '-54' to each side of the equation.
54 + -54 + -7x = 5 + -54

Combine like terms: 54 + -54 = 0
0 + -7x = 5 + -54
-7x = 5 + -54

Combine like terms: 5 + -54 = -49
-7x = -49

Divide each side by '-7'.
x = 7

Simplifying
x = 7

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