6x+8+9x-10+77+90=720

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Solution for 6x+8+9x-10+77+90=720 equation:


Simplifying
6x + 8 + 9x + -10 + 77 + 90 = 720

Reorder the terms:
8 + -10 + 77 + 90 + 6x + 9x = 720

Combine like terms: 8 + -10 = -2
-2 + 77 + 90 + 6x + 9x = 720

Combine like terms: -2 + 77 = 75
75 + 90 + 6x + 9x = 720

Combine like terms: 75 + 90 = 165
165 + 6x + 9x = 720

Combine like terms: 6x + 9x = 15x
165 + 15x = 720

Solving
165 + 15x = 720

Solving for variable 'x'.

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

Add '-165' to each side of the equation.
165 + -165 + 15x = 720 + -165

Combine like terms: 165 + -165 = 0
0 + 15x = 720 + -165
15x = 720 + -165

Combine like terms: 720 + -165 = 555
15x = 555

Divide each side by '15'.
x = 37

Simplifying
x = 37

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