12-2=15-7x

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Solution for 12-2=15-7x equation:


Simplifying
12 + -2 = 15 + -7x

Combine like terms: 12 + -2 = 10
10 = 15 + -7x

Solving
10 = 15 + -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.
10 + 7x = 15 + -7x + 7x

Combine like terms: -7x + 7x = 0
10 + 7x = 15 + 0
10 + 7x = 15

Add '-10' to each side of the equation.
10 + -10 + 7x = 15 + -10

Combine like terms: 10 + -10 = 0
0 + 7x = 15 + -10
7x = 15 + -10

Combine like terms: 15 + -10 = 5
7x = 5

Divide each side by '7'.
x = 0.7142857143

Simplifying
x = 0.7142857143

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