10=-3x+21

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Solution for 10=-3x+21 equation:


Simplifying
10 = -3x + 21

Reorder the terms:
10 = 21 + -3x

Solving
10 = 21 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
10 + 3x = 21 + -3x + 3x

Combine like terms: -3x + 3x = 0
10 + 3x = 21 + 0
10 + 3x = 21

Add '-10' to each side of the equation.
10 + -10 + 3x = 21 + -10

Combine like terms: 10 + -10 = 0
0 + 3x = 21 + -10
3x = 21 + -10

Combine like terms: 21 + -10 = 11
3x = 11

Divide each side by '3'.
x = 3.666666667

Simplifying
x = 3.666666667

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