9x+4=81-7

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Solution for 9x+4=81-7 equation:


Simplifying
9x + 4 = 81 + -7

Reorder the terms:
4 + 9x = 81 + -7

Combine like terms: 81 + -7 = 74
4 + 9x = 74

Solving
4 + 9x = 74

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 9x = 74 + -4

Combine like terms: 4 + -4 = 0
0 + 9x = 74 + -4
9x = 74 + -4

Combine like terms: 74 + -4 = 70
9x = 70

Divide each side by '9'.
x = 7.777777778

Simplifying
x = 7.777777778

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