3 years ago

X - 4 = 12x + 7 - 7x

Mathematics

2 answers:

serious [3.7K]3 years ago

6 0

Answer:

x = -11/4

Step-by-step explanation:

First we collect liked terms:

x - 4 = 5x + 7

Subtract 5x from both sides

-4x - 4 = 7

Add 4 to both sides

-4x = 11

Divide both sides by -4

x = -11/4

Otrada [13]3 years ago

3 0

Answer:

Since you are to calculate the value of x, the first thing to do is to collect the like terms, i.e bring all the families of x together.

which implies : x -12x +7x = 7 + 4

-4x = 11

Divide both sides by -4

therefore : x = $\frac{-11}{4}$

Step-by-step explanation:

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