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nexus9112 [7]
3 years ago
6

Solve the following equation for x. 3x - 9 = -42

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
3 0

Answer:

x = -11

Step-by-step explanation:

Add 9 to both sides of the equation

3 − 9 = −42

3 − 9 + 9 = −42 + 9

Simplify

Add the numbers

3 = −33

Divide both sides of the equation by the same term

3 = −33

3/3 = −33/3

Simplify

Cancel terms that are in both the numerator and denominator

Divide the numbers

= −11

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