x+4+2x+7+5x-3=40

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Solution for x+4+2x+7+5x-3=40 equation:


Simplifying
x + 4 + 2x + 7 + 5x + -3 = 40

Reorder the terms:
4 + 7 + -3 + x + 2x + 5x = 40

Combine like terms: 4 + 7 = 11
11 + -3 + x + 2x + 5x = 40

Combine like terms: 11 + -3 = 8
8 + x + 2x + 5x = 40

Combine like terms: x + 2x = 3x
8 + 3x + 5x = 40

Combine like terms: 3x + 5x = 8x
8 + 8x = 40

Solving
8 + 8x = 40

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 8x = 40 + -8

Combine like terms: 8 + -8 = 0
0 + 8x = 40 + -8
8x = 40 + -8

Combine like terms: 40 + -8 = 32
8x = 32

Divide each side by '8'.
x = 4

Simplifying
x = 4

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