(5x-3)-(3x-4)=18

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


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

Reorder the terms:
(-3 + 5x) + -1(3x + -4) = 18

Remove parenthesis around (-3 + 5x)
-3 + 5x + -1(3x + -4) = 18

Reorder the terms:
-3 + 5x + -1(-4 + 3x) = 18
-3 + 5x + (-4 * -1 + 3x * -1) = 18
-3 + 5x + (4 + -3x) = 18

Reorder the terms:
-3 + 4 + 5x + -3x = 18

Combine like terms: -3 + 4 = 1
1 + 5x + -3x = 18

Combine like terms: 5x + -3x = 2x
1 + 2x = 18

Solving
1 + 2x = 18

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 2x = 18 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 18 + -1
2x = 18 + -1

Combine like terms: 18 + -1 = 17
2x = 17

Divide each side by '2'.
x = 8.5

Simplifying
x = 8.5

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