1.23=90-x

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Solution for 1.23=90-x equation:


Simplifying
1.23 = 90 + -1x

Solving
1.23 = 90 + -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.
1.23 + x = 90 + -1x + x

Combine like terms: -1x + x = 0
1.23 + x = 90 + 0
1.23 + x = 90

Add '-1.23' to each side of the equation.
1.23 + -1.23 + x = 90 + -1.23

Combine like terms: 1.23 + -1.23 = 0.00
0.00 + x = 90 + -1.23
x = 90 + -1.23

Combine like terms: 90 + -1.23 = 88.77
x = 88.77

Simplifying
x = 88.77

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