gina0yvsalinner gina0yvsalinner

04-01-2017
Mathematics

contestada

The difference when 7 less than a number is subtracted from twice the number is 12. what is the number?

Respuesta :

04-01-2017

It is 5......2x-(x-7)=12 proof: 2*5-(5-7)=12
2x-x+7=12 10-(-2)=12
x=12-7 10+2=12
x=5 12=12

Answer Link

Otras preguntas

According to the chart, which statement is MOST accurate?A) HCl has the highest pH and highest [H+] concentration. B) KOH has the highest pH and the highest [OH

Please could someone help me ?

Bonjour,après avoir écrit ce texte en français je dois le traduire en anglais.Merci à ceux qui prendront la peine de m'aider. Un endroit très sympathique pour g

Please answer the question

A renowned fashion brand launches a line of evening wear while the economy is booming. How will this economic scenario influence sales?

Simplify the expression:

9x + 2(3x + 7) = -31

Solve for w, x, y, zx + 2y - z = 3 2x - y + z - w = -3y + 2z - w = -7 x + 3y + 2z + 2w = 3

Struggling on this .

p= -5x2 + 70x - 165