10-9x=100-30x

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Solution for 10-9x=100-30x equation:


Simplifying
10 + -9x = 100 + -30x

Solving
10 + -9x = 100 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
10 + -9x + 30x = 100 + -30x + 30x

Combine like terms: -9x + 30x = 21x
10 + 21x = 100 + -30x + 30x

Combine like terms: -30x + 30x = 0
10 + 21x = 100 + 0
10 + 21x = 100

Add '-10' to each side of the equation.
10 + -10 + 21x = 100 + -10

Combine like terms: 10 + -10 = 0
0 + 21x = 100 + -10
21x = 100 + -10

Combine like terms: 100 + -10 = 90
21x = 90

Divide each side by '21'.
x = 4.285714286

Simplifying
x = 4.285714286

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