87=4x+5x+6

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Solution for 87=4x+5x+6 equation:


Simplifying
87 = 4x + 5x + 6

Reorder the terms:
87 = 6 + 4x + 5x

Combine like terms: 4x + 5x = 9x
87 = 6 + 9x

Solving
87 = 6 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
87 + -9x = 6 + 9x + -9x

Combine like terms: 9x + -9x = 0
87 + -9x = 6 + 0
87 + -9x = 6

Add '-87' to each side of the equation.
87 + -87 + -9x = 6 + -87

Combine like terms: 87 + -87 = 0
0 + -9x = 6 + -87
-9x = 6 + -87

Combine like terms: 6 + -87 = -81
-9x = -81

Divide each side by '-9'.
x = 9

Simplifying
x = 9

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