21x+45=11-(x+9)

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Solution for 21x+45=11-(x+9) equation:


Simplifying
21x + 45 = 11 + -1(x + 9)

Reorder the terms:
45 + 21x = 11 + -1(x + 9)

Reorder the terms:
45 + 21x = 11 + -1(9 + x)
45 + 21x = 11 + (9 * -1 + x * -1)
45 + 21x = 11 + (-9 + -1x)

Combine like terms: 11 + -9 = 2
45 + 21x = 2 + -1x

Solving
45 + 21x = 2 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
45 + 21x + x = 2 + -1x + x

Combine like terms: 21x + x = 22x
45 + 22x = 2 + -1x + x

Combine like terms: -1x + x = 0
45 + 22x = 2 + 0
45 + 22x = 2

Add '-45' to each side of the equation.
45 + -45 + 22x = 2 + -45

Combine like terms: 45 + -45 = 0
0 + 22x = 2 + -45
22x = 2 + -45

Combine like terms: 2 + -45 = -43
22x = -43

Divide each side by '22'.
x = -1.954545455

Simplifying
x = -1.954545455

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