.1(x+90)+1.1x=45

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Solution for .1(x+90)+1.1x=45 equation:


Simplifying
0.1(x + 90) + 1.1x = 45

Reorder the terms:
0.1(90 + x) + 1.1x = 45
(90 * 0.1 + x * 0.1) + 1.1x = 45
(9 + 0.1x) + 1.1x = 45

Combine like terms: 0.1x + 1.1x = 1.2x
9 + 1.2x = 45

Solving
9 + 1.2x = 45

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 + 1.2x = 45 + -9

Combine like terms: 9 + -9 = 0
0 + 1.2x = 45 + -9
1.2x = 45 + -9

Combine like terms: 45 + -9 = 36
1.2x = 36

Divide each side by '1.2'.
x = 30

Simplifying
x = 30

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