4x+9=(x+10)+8

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Solution for 4x+9=(x+10)+8 equation:


Simplifying
4x + 9 = (x + 10) + 8

Reorder the terms:
9 + 4x = (x + 10) + 8

Reorder the terms:
9 + 4x = (10 + x) + 8

Remove parenthesis around (10 + x)
9 + 4x = 10 + x + 8

Reorder the terms:
9 + 4x = 10 + 8 + x

Combine like terms: 10 + 8 = 18
9 + 4x = 18 + x

Solving
9 + 4x = 18 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
9 + 4x + -1x = 18 + x + -1x

Combine like terms: 4x + -1x = 3x
9 + 3x = 18 + x + -1x

Combine like terms: x + -1x = 0
9 + 3x = 18 + 0
9 + 3x = 18

Add '-9' to each side of the equation.
9 + -9 + 3x = 18 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = 18 + -9
3x = 18 + -9

Combine like terms: 18 + -9 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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