9.
5x - 2
6 - 5 7
8.
2
7.
12.
3
1-99 5
19 - 3y 8
1 - 9x
10.
= 0
2 y
9
8 9
11. -
* 2x-1
6x + 7 2r + 4
5 3
3x -
15.
2x - (7-57)
9x - (3 + 4x
13.
0.4x - 3-7
1.5x + 9 5
15(2 - ) – 5(y + 6) = 10
1-3y
16.
8.3 Applications of Linear Equations
We shall now consider certain word or verbal problems which can be expressed in terms o
Let us recall the steps involved in the solution of a word problem.
Step 1. Denoting the unknown quantity asked for in the problem by x (or any oth
Step 2. Formulating an equation in x that describes the problem.
Step 3. Solving the equation for x.
Step 4. Verifying the solution.
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