Algebra: linear equations

Content Level-1 Problem-57 Click for video

Steps	Problem	Solution
1	Determine the value of expression (a-b)+(b-c) if a=-1,b=-2,c=-3	\$ (a-b)+(b-c) \$
2	Given expression	\$ (a-b)+(b-c) \$
3	Substitute the values in expression	\$ (-1-(-2))+((-2)-(-3)) \$
4	After simplification we get	\$ -1+2-2+3 \$
5	Hence the solution of the given expression is	\$ 2 \$

Steps

Problem

Solution

Determine the value of expression (a-b)+(b-c) if a=-1,b=-2,c=-3

\$ (a-b)+(b-c) \$

Given expression

\$ (a-b)+(b-c) \$

Substitute the values in expression

\$ (-1-(-2))+((-2)-(-3)) \$

After simplification we get

\$ -1+2-2+3 \$

Hence the solution of the given expression is

\$ 2 \$