13(7-x)=15(6x+1)

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Solution for 13(7-x)=15(6x+1) equation:


Simplifying
13(7 + -1x) = 15(6x + 1)
(7 * 13 + -1x * 13) = 15(6x + 1)
(91 + -13x) = 15(6x + 1)

Reorder the terms:
91 + -13x = 15(1 + 6x)
91 + -13x = (1 * 15 + 6x * 15)
91 + -13x = (15 + 90x)

Solving
91 + -13x = 15 + 90x

Solving for variable 'x'.

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

Add '-90x' to each side of the equation.
91 + -13x + -90x = 15 + 90x + -90x

Combine like terms: -13x + -90x = -103x
91 + -103x = 15 + 90x + -90x

Combine like terms: 90x + -90x = 0
91 + -103x = 15 + 0
91 + -103x = 15

Add '-91' to each side of the equation.
91 + -91 + -103x = 15 + -91

Combine like terms: 91 + -91 = 0
0 + -103x = 15 + -91
-103x = 15 + -91

Combine like terms: 15 + -91 = -76
-103x = -76

Divide each side by '-103'.
x = 0.7378640777

Simplifying
x = 0.7378640777

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