7*9=(7*10)-(7*2)

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Solution for 7*9=(7*10)-(7*2) equation: 


Simplifying
7 * 9 = (7 * 10) + -1(7 * 2)

Multiply 7 * 9
63 = (7 * 10) + -1(7 * 2)

Multiply 7 * 10
63 = (70) + -1(7 * 2)
63 = 70 + -1(7 * 2)

Multiply 7 * 2
63 = 70 + -1(14)

Multiply -1 * 14
63 = 70 + -14

Combine like terms: 70 + -14 = 56
63 = 56

Solving
63 = 56

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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