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x-(6.9)=-2.9
We simplify the equation to the form, which is simple to understand
x-(6.9)=-2.9
Remove unnecessary parentheses
x-6.9=-2.9
We move all terms containing x to the left and all other terms to the right.
+1x=-2.9+6.9
We simplify left and right side of the equation.
+1x=+4
We divide both sides of the equation by 1 to get x.
x=4
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