21.5x-3(-3+7x)=10

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Solution for 21.5x-3(-3+7x)=10 equation:


Simplifying
21.5x + -3(-3 + 7x) = 10
21.5x + (-3 * -3 + 7x * -3) = 10
21.5x + (9 + -21x) = 10

Reorder the terms:
9 + 21.5x + -21x = 10

Combine like terms: 21.5x + -21x = 0.5x
9 + 0.5x = 10

Solving
9 + 0.5x = 10

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 0.5x = 10 + -9

Combine like terms: 9 + -9 = 0
0 + 0.5x = 10 + -9
0.5x = 10 + -9

Combine like terms: 10 + -9 = 1
0.5x = 1

Divide each side by '0.5'.
x = 2

Simplifying
x = 2

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