Jimromero79
Jimromero79 Jimromero79
  • 18-01-2015
  • Mathematics
contestada

The question is 7a +10 = 2a

Respuesta :

eternal3fear
eternal3fear eternal3fear
  • 18-01-2015
 7a + 10 = 2a  subtract 2a from both sides
-2a          -2a
 5a + 10 = 0    subtract 10 from both sides
       -10    -10
5a = -10          then divide both sides by 5
/5      /5
a = - 2
Answer Link
julie00
julie00 julie00
  • 18-01-2015
7a+10=2a
Subtract 7a from both sides.
10=-5a
Divide 10 by -5.
-2=a or a=-2
Answer Link

Otras preguntas

Why does it take so much heat and pressure to create helium and other elements?
What is the expanded form of 103,727,495
French and Spanish explorers differed most in terms of their
Nitrogen has a density of 1.17 x 10^-3 g/cm^3. If you have 2,500 cm^3 of nitrogen gas, which of the following is the correct mass of nitrogen, using significan
Need help smiling this 7-4(17-9)-22
Hi i need to solve this problem but i forgot. I do know though that you have too use the distributive property. a+ny=n?
how could I start a thesis statement on acting and lying
Many scientists classify viruses as non-living. The single, MOST important reason why viruses are classified as non-living is that they
If water and hydrogen peroxide both consist of hydrogen and oxygen atoms, explain why they have different chemical and physical properties?
What is the Symbiotic Theory?