13-7x=78-42x

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Solution for 13-7x=78-42x equation:


Simplifying
13 + -7x = 78 + -42x

Solving
13 + -7x = 78 + -42x

Solving for variable 'x'.

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

Add '42x' to each side of the equation.
13 + -7x + 42x = 78 + -42x + 42x

Combine like terms: -7x + 42x = 35x
13 + 35x = 78 + -42x + 42x

Combine like terms: -42x + 42x = 0
13 + 35x = 78 + 0
13 + 35x = 78

Add '-13' to each side of the equation.
13 + -13 + 35x = 78 + -13

Combine like terms: 13 + -13 = 0
0 + 35x = 78 + -13
35x = 78 + -13

Combine like terms: 78 + -13 = 65
35x = 65

Divide each side by '35'.
x = 1.857142857

Simplifying
x = 1.857142857

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