7+9=(7*10)-(7*x)

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


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

Combine like terms: 7 + 9 = 16
16 = (7 * 10) + -1(7x)

Multiply 7 * 10
16 = (70) + -1(7x)
16 = 70 + -1(7x)

Remove parenthesis around (7x)
16 = 70 + -1 * 7x

Multiply -1 * 7
16 = 70 + -7x

Solving
16 = 70 + -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.
16 + 7x = 70 + -7x + 7x

Combine like terms: -7x + 7x = 0
16 + 7x = 70 + 0
16 + 7x = 70

Add '-16' to each side of the equation.
16 + -16 + 7x = 70 + -16

Combine like terms: 16 + -16 = 0
0 + 7x = 70 + -16
7x = 70 + -16

Combine like terms: 70 + -16 = 54
7x = 54

Divide each side by '7'.
x = 7.714285714

Simplifying
x = 7.714285714

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