0.15n+0.05(4250-n)=0.07(4250)

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Solution for 0.15n+0.05(4250-n)=0.07(4250) equation: 


Simplifying
0.15n + 0.05(4250 + -1n) = 0.07(4250)
0.15n + (4250 * 0.05 + -1n * 0.05) = 0.07(4250)
0.15n + (212.5 + -0.05n) = 0.07(4250)

Reorder the terms:
212.5 + 0.15n + -0.05n = 0.07(4250)

Combine like terms: 0.15n + -0.05n = 0.1n
212.5 + 0.1n = 0.07(4250)

Multiply 0.07 * 4250
212.5 + 0.1n = 297.5

Solving
212.5 + 0.1n = 297.5

Solving for variable 'n'.

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

Add '-212.5' to each side of the equation.
212.5 + -212.5 + 0.1n = 297.5 + -212.5

Combine like terms: 212.5 + -212.5 = 0.0
0.0 + 0.1n = 297.5 + -212.5
0.1n = 297.5 + -212.5

Combine like terms: 297.5 + -212.5 = 85
0.1n = 85

Divide each side by '0.1'.
n = 850

Simplifying
n = 850

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