SOLUTION: Solve: 8/7x=-12 I'm stuck: 3/7*x/1 = 12/1

Algebra.Com
Question 99864: Solve: 8/7x=-12
I'm stuck:
3/7*x/1 = 12/1

Found 3 solutions by jim_thompson5910, checkley71, edjones:
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given equation


Multiply both sides by to eliminate on the left side


Multiply


Reduce


So our answer is which is in decimal form

Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!
8/7*X=-12
8X/7=-12 NOW CROSS MULTIPLY
8X=-12*7
8X=-84
X=-84/8
X=-21/2 ANSWER.
PROOF
8/7(-21/2)=-12
-168/14=-12
-12=-12

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
8/7x=-12
1st in all problems with fractions and equal signs (equations): FIRST, GET RID OF THE FRACTIONS !!!
multiply 7 times both sides: 8x=-84
get rid of the 8; divide 8 into each side: x=-84/8=-21/2
Ed

RELATED QUESTIONS

7/8=m/4 25/75=1/x 16/m=1/4 12/15=t/5... (answered by checkley77)
M=1 (12,... (answered by ikleyn)
Solve for x. 24&1/14 +8&3/7=(x÷1 1/9)·5&5/12 (answered by macston)
7 ^n=12 8^n+1=3 log 3x=2 4log x=4 I can't figure how to solve... (answered by Alan3354)
Please help me solve the problems of First-Degree Equations. 1) 7y - 7 = -1... (answered by roxy9229)
Hi. I was wondering if you could help me with this problem. Given that f(3)=12 and... (answered by jsmallt9)
6) if m<1=x+30, m<2=x-23, and m<3=2x-7, find x and the value of each numbered angle.... (answered by stanbon)
1) 3(4x-7)=2(7x+13) 2) x+6 ____ = x-12 (answered by jim_thompson5910)
please solve for x 3/7x+8=12 (answered by Alan3354)