first degree equations with one unknown

Simple patterns, variables, the order of operations, simplification, evaluation, linear equations and graphs, etc.
dwilson152
Posts: 1
Joined: Mon Jul 05, 2010 3:29 pm
Contact:

first degree equations with one unknown

Postby dwilson152 » Mon Jul 05, 2010 4:13 pm

how do I calculate these problems

5x-(x-7) =2(2x +3) +1

0.04x + 0.09(1200-x)= 75

User avatar
stapel_eliz
Posts: 1731
Joined: Mon Dec 08, 2008 4:22 pm
Contact:

Postby stapel_eliz » Mon Jul 05, 2010 4:37 pm

dwilson152 wrote:how do I calculate these problems

5x-(x-7) =2(2x +3) +1

0.04x + 0.09(1200-x)= 75

To learn how to simplify with parentheses, try here.

To learn how to solve linear equations, try here. :wink:


Return to “Pre-Algebra”