Maths-
General
Easy
Question
Solve 3(x − 7) = 2(x − 3). Write a reason for each step.
Hint:
using the additive property and subtraction property ,division property on both sides .solve for x.
The correct answer is: x = 15
Ans:- x = 15
Given ,3(x − 7) = 2(x -3).
By left distributive property 3x - 21 = 2x - 6
Adding 21 on both sides by additive property of equality both sides remain equal.
3x - 21 + 21 = 2x - 6 + 21
3x = 2x + 15
Subtract 2x from both sides by subtraction property of equality both sides remains equal.
3x - 2x = 2x +15 - 2x
x = 15
∴x = 15
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