9*7=(x*7)-(1*7)

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Solution for 9*7=(x*7)-(1*7) equation:


Simplifying
9 * 7 = (x * 7) + -1(1 * 7)

Multiply 9 * 7
63 = (x * 7) + -1(1 * 7)

Reorder the terms for easier multiplication:
63 = (7x) + -1(1 * 7)

Multiply 1 * 7
63 = (7x) + -1(7)

Multiply -1 * 7
63 = (7x) + -7

Reorder the terms:
63 = -7 + (7x)

Solving
63 = -7 + (7x)

Solving for variable 'x'.

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

Add '(-7x)' to each side of the equation.
63 + (-7x) = -7 + (7x) + (-7x)

Combine like terms: (7x) + (-7x) = 0
63 + (-7x) = -7 + 0
63 + (-7x) = -7

Add '-63' to each side of the equation.
63 + -63 + (-7x) = -7 + -63

Combine like terms: 63 + -63 = 0
0 + (-7x) = -7 + -63
(-7x) = -7 + -63

Combine like terms: -7 + -63 = -70
(-7x) = -70

Divide each side by '-7'.
x = 10

Simplifying
x = 10

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