8x+9-5x+7=40

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Solution for 8x+9-5x+7=40 equation:


Simplifying
8x + 9 + -5x + 7 = 40

Reorder the terms:
9 + 7 + 8x + -5x = 40

Combine like terms: 9 + 7 = 16
16 + 8x + -5x = 40

Combine like terms: 8x + -5x = 3x
16 + 3x = 40

Solving
16 + 3x = 40

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 3x = 40 + -16

Combine like terms: 16 + -16 = 0
0 + 3x = 40 + -16
3x = 40 + -16

Combine like terms: 40 + -16 = 24
3x = 24

Divide each side by '3'.
x = 8

Simplifying
x = 8

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