How to solve -2(1-7n)-5n=34
2 answers:
-2(1-7n)-5n=34
distributive property
-2+14n-5n=34
combine like terms
-2+9n=34
+2 +2
9n=36
÷9 ÷9
n=4
-2(1-7n)-5n=34
Multiply the bracket by -2
(-2)(1)=-2
(-2)(-7n)=14n
-2+14n-5n=34
-2+9n=34
Move -2 to the other side. Sign changes from -2 to +2.
-2+2+9n=34+2
9n=34+2
9n=36
Divide by 9 for both sides
9n/9=36/9
n=4
Answer: n=4
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