90=7x+34+2x+47

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Solution for 90=7x+34+2x+47 equation:


Simplifying
90 = 7x + 34 + 2x + 47

Reorder the terms:
90 = 34 + 47 + 7x + 2x

Combine like terms: 34 + 47 = 81
90 = 81 + 7x + 2x

Combine like terms: 7x + 2x = 9x
90 = 81 + 9x

Solving
90 = 81 + 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.
90 + -9x = 81 + 9x + -9x

Combine like terms: 9x + -9x = 0
90 + -9x = 81 + 0
90 + -9x = 81

Add '-90' to each side of the equation.
90 + -90 + -9x = 81 + -90

Combine like terms: 90 + -90 = 0
0 + -9x = 81 + -90
-9x = 81 + -90

Combine like terms: 81 + -90 = -9
-9x = -9

Divide each side by '-9'.
x = 1

Simplifying
x = 1

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