3 years ago

If 8x-4=6x-10, find the value of 3x

Mathematics

2 answers:

sertanlavr [38]3 years ago

6 0

8x - 4 = 6x - 10
8x - 6x = - 10 + 4
2x = -6
x = -3
3x = -9

AysviL [449]3 years ago

3 0

Answer:

$3x = -9$

Step-by-step explanation:

Move all terms containing x to the left side of the equation.

$2x-4=-10$

Move all terms not containing x to the right side of the equation.

$2x=-6$

Divide each term by $2$ and simplify.

$x=-3$

Replace the variable $x$ with $-3$ in the expression.

$3(-3)$

Multiply $3$ by $-3$

$-9$

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