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13=-x/4
We simplify the equation to the form, which is simple to understand
13=-x/4
Simplifying:
13=-0.25x
We move all terms containing x to the left and all other terms to the right.
+ 0.25x=-13
We simplify left and right side of the equation.
+ 0.25x=-13
We divide both sides of the equation by 00.25 to get x.
x=-52
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