1.25+.75(5-x)=.90*x

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Solution for 1.25+.75(5-x)=.90*x equation:


Simplifying
1.25 + 0.75(5 + -1x) = 0.90x
1.25 + (5 * 0.75 + -1x * 0.75) = 0.90x
1.25 + (3.75 + -0.75x) = 0.90x

Combine like terms: 1.25 + 3.75 = 5
5 + -0.75x = 0.90x

Solving
5 + -0.75x = 0.90x

Solving for variable 'x'.

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

Add '-0.90x' to each side of the equation.
5 + -0.75x + -0.90x = 0.90x + -0.90x

Combine like terms: -0.75x + -0.90x = -1.65x
5 + -1.65x = 0.90x + -0.90x

Combine like terms: 0.90x + -0.90x = 0.00
5 + -1.65x = 0.00

Add '-5' to each side of the equation.
5 + -5 + -1.65x = 0.00 + -5

Combine like terms: 5 + -5 = 0
0 + -1.65x = 0.00 + -5
-1.65x = 0.00 + -5

Combine like terms: 0.00 + -5 = -5
-1.65x = -5

Divide each side by '-1.65'.
x = 3.03030303

Simplifying
x = 3.03030303

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