89=x+13*7

Solution for 89=x+13*7 equation:

Simplifying
89 = x + 13 * 7

Multiply 13 * 7
89 = x + 91

Reorder the terms:
89 = 91 + x

Solving
89 = 91 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
89 + -1x = 91 + x + -1x

Combine like terms: x + -1x = 0
89 + -1x = 91 + 0
89 + -1x = 91

Add '-89' to each side of the equation.
89 + -89 + -1x = 91 + -89

Combine like terms: 89 + -89 = 0
0 + -1x = 91 + -89
-1x = 91 + -89

Combine like terms: 91 + -89 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2