x + 6 + 2x = 15
x+2x+6= 15 ( combine like terms)
3x+6= 15
move +6 to the other side
sign changes from +6 to -6
3x+6-6= 15-6
3x= 15-6
3x= 9
divide both sides by 3 to get x by itself
3x/3= 9/3
Cross out 3 and 3 , divide by 3 and then becomes 1*1*x= x
x= 9/3
Answer: x= 3
In Dred Scott v<span>. </span>Sandford<span> the Supreme Court ruled that Americans of African descent, whether free or slave, were not American citizens and could not sue in federal court. The Court also ruled that Congress lacked power to ban slavery in the U.S. territories.
Hope I could help :)
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<span>The father is the breadwinner and the mother handles household work.</span>