.4(25+-1.75y)+.7y=.5*20

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Solution for .4(25+-1.75y)+.7y=.5*20 equation: 


Simplifying
0.4(25 + -1.75y) + 0.7y = 0.5 * 20
(25 * 0.4 + -1.75y * 0.4) + 0.7y = 0.5 * 20
(10 + -0.7y) + 0.7y = 0.5 * 20

Combine like terms: -0.7y + 0.7y = 0.0
10 + 0.0 = 0.5 * 20
10 = 0.5 * 20

Multiply 0.5 * 20
10 = 10

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

Combine like terms: 10 + -10 = 0
0 = 10 + -10

Combine like terms: 10 + -10 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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