13+(-7x)=1+(-7)+9+21

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Solution for 13+(-7x)=1+(-7)+9+21 equation: 


Simplifying
13 + (-7x) = 1 + (-7) + 9 + 21
13 + (-7x) = 1 + -7 + 9 + 21

Combine like terms: 1 + -7 = -6
13 + (-7x) = -6 + 9 + 21

Combine like terms: -6 + 9 = 3
13 + (-7x) = 3 + 21

Combine like terms: 3 + 21 = 24
13 + (-7x) = 24

Solving
13 + (-7x) = 24

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + (-7x) = 24 + -13

Combine like terms: 13 + -13 = 0
0 + (-7x) = 24 + -13
(-7x) = 24 + -13

Combine like terms: 24 + -13 = 11
(-7x) = 11

Divide each side by '-7'.
x = -1.571428571

Simplifying
x = -1.571428571

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