7(1.15-0.75)=k

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Solution for 7(1.15-0.75)=k equation: 


Simplifying
7(1.15 + -0.75) = k

Combine like terms: 1.15 + -0.75 = 0.4
7(0.4) = k

Multiply 7 * 0.4
2.8 = k

Solving
2.8 = k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
2.8 + -1k = k + -1k

Combine like terms: k + -1k = 0
2.8 + -1k = 0

Add '-2.8' to each side of the equation.
2.8 + -2.8 + -1k = 0 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + -1k = 0 + -2.8
-1k = 0 + -2.8

Combine like terms: 0 + -2.8 = -2.8
-1k = -2.8

Divide each side by '-1'.
k = 2.8

Simplifying
k = 2.8

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