(3x-5)+(2x+1)+(.25x+7)=45

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Solution for (3x-5)+(2x+1)+(.25x+7)=45 equation:


Simplifying
(3x + -5) + (2x + 1) + (0.25x + 7) = 45

Reorder the terms:
(-5 + 3x) + (2x + 1) + (0.25x + 7) = 45

Remove parenthesis around (-5 + 3x)
-5 + 3x + (2x + 1) + (0.25x + 7) = 45

Reorder the terms:
-5 + 3x + (1 + 2x) + (0.25x + 7) = 45

Remove parenthesis around (1 + 2x)
-5 + 3x + 1 + 2x + (0.25x + 7) = 45

Reorder the terms:
-5 + 3x + 1 + 2x + (7 + 0.25x) = 45

Remove parenthesis around (7 + 0.25x)
-5 + 3x + 1 + 2x + 7 + 0.25x = 45

Reorder the terms:
-5 + 1 + 7 + 3x + 2x + 0.25x = 45

Combine like terms: -5 + 1 = -4
-4 + 7 + 3x + 2x + 0.25x = 45

Combine like terms: -4 + 7 = 3
3 + 3x + 2x + 0.25x = 45

Combine like terms: 3x + 2x = 5x
3 + 5x + 0.25x = 45

Combine like terms: 5x + 0.25x = 5.25x
3 + 5.25x = 45

Solving
3 + 5.25x = 45

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 5.25x = 45 + -3

Combine like terms: 3 + -3 = 0
0 + 5.25x = 45 + -3
5.25x = 45 + -3

Combine like terms: 45 + -3 = 42
5.25x = 42

Divide each side by '5.25'.
x = 8

Simplifying
x = 8

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