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40+(x+2)+(x+4)=126
We simplify the equation to the form, which is simple to understand
40+(x+2)+(x+4)=126
Remove unnecessary parentheses
+40+x+2+(+x+4+)=+126
Remove unnecessary parentheses
+40+x+2+x+4=+126
We move all terms containing x to the left and all other terms to the right.
+1x+1x=+126-40-2-4
We simplify left and right side of the equation.
+2x=+80
We divide both sides of the equation by 2 to get x.
x=40
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