Algebra

posted by .

Is this right? 7(3x-2)=70
21x-14=70; 21x-14+14=70+14; 21x=84; x=4

  • Algebra -

    correct

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. MATH

    This problem makes no sence to me i tried it but i know i am completely wrong someone please help. The cost for a long-distance telephone call is $0.36 for the first minute and $0.21 for each additional minute or portion thereof. Write …
  2. Algerbra

    how do you solve 7(3x+4)=8(2x+5)+13 expand the parenthesis...I will do the left side.. 21x + 29= Now, subtract sixteen x from both sides, and subtract 28 from both sides. I will be happy to check your work. 7(3x+4)=8(2x+5)+13 21x + …
  3. inequality expresion

    The cost of a long distant telephone call is $0.36 for first minutes and $0.21 each additional minutes or portion thereof. Write an inequality representing the number of minutes a person could talk with out exceeding $3.00 would this …
  4. algerbra

    7(3x+4)=8(2x+5)+13 how would I start a equation like this would it be 21x+28=16x+40+13 ?
  5. Algebra

    Is this right? 7(3x-2)=70 21x-14=70; 21x-14+14=70+14; 21x=84; x=4
  6. algebra

    factor the following equation: 6x^2 - 21x - 9 i've tried to factor it and can only get answers for 6x^2 - 21x + 9!
  7. math

    *simplify by combining like terms, if possible. then, remove the GCF and factor fully. 2x^2-21x+36+x^2 =3x^2-21x+36 ...i'm not sure what to do after that, could you help and show the steps please
  8. Math

    Simplify I came up with 5.5 (15x^5-21x^4+21x^2)/(3x^2 ) not sure if I did this the correct way it just doesn't seem right at all.
  9. Pre Cal

    find the domains of the following functions: a) f(x)=x^20 b) g(x)=1/(x-3) c) h(x)=1/(4x^2=21x-18) d) k(x)=sqrt (4x^2-21x-18) e) p(x)=1/sqrt(4x^2-21x-18)
  10. Pre Cal/ domain

    Domain of a) x^20 b) 1/(x-3) c)1/(4x^2-21x-18) d) sqrt(4x^2-21x-18) e) 1/ sqrt(4x^2-21x-18)

More Similar Questions