99-6=7x+21

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Solution for 99-6=7x+21 equation:


Simplifying
99 + -6 = 7x + 21

Combine like terms: 99 + -6 = 93
93 = 7x + 21

Reorder the terms:
93 = 21 + 7x

Solving
93 = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
93 + -7x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
93 + -7x = 21 + 0
93 + -7x = 21

Add '-93' to each side of the equation.
93 + -93 + -7x = 21 + -93

Combine like terms: 93 + -93 = 0
0 + -7x = 21 + -93
-7x = 21 + -93

Combine like terms: 21 + -93 = -72
-7x = -72

Divide each side by '-7'.
x = 10.28571429

Simplifying
x = 10.28571429

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