3x+9+4+4x+8x+5=90

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Solution for 3x+9+4+4x+8x+5=90 equation: 


Simplifying
3x + 9 + 4 + 4x + 8x + 5 = 90

Reorder the terms:
9 + 4 + 5 + 3x + 4x + 8x = 90

Combine like terms: 9 + 4 = 13
13 + 5 + 3x + 4x + 8x = 90

Combine like terms: 13 + 5 = 18
18 + 3x + 4x + 8x = 90

Combine like terms: 3x + 4x = 7x
18 + 7x + 8x = 90

Combine like terms: 7x + 8x = 15x
18 + 15x = 90

Solving
18 + 15x = 90

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 15x = 90 + -18

Combine like terms: 18 + -18 = 0
0 + 15x = 90 + -18
15x = 90 + -18

Combine like terms: 90 + -18 = 72
15x = 72

Divide each side by '15'.
x = 4.8

Simplifying
x = 4.8

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