Question

10. For what value of x, makes the equation true? Show and explain the steps that you used to

solve the equation.
7x + 3 = 10x - 5.4

Answer 1

x=2.8

Explanation:

7x + 3 = 10x - 5.4

(first, put x's on your left side, and normal numbers on right side, watch out for changing sign in front of the numbers)

7x - 10x = -3 -5.4

(subtract/add up the numbers)

-3x = - 8.4

(divide whole equation with -3 (which is in front of x)

x = 2.8

Answer 2

2.8

Explanation:

Step 1:

7x + 3 = 10x - 5.4 Equation

Step 2:

3 = 3x - 5.4 Subtract 7x from both sides

Step 3:

8.4 = 3x Add 5.4 to both sides

Step 4:

8.4 ÷ 3 Divide

Answer:

x = 2.8

Hope This Helps :)