- 4,5(х+2)-1=7,2-5(х-2) 3(2,4х-3,5)+6=9,7х- 3

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вопрос

Simplify the equation by distributing:

4.5(x) + 4.5(2) - 1 = 7.2 - 5(x) + 10

4.5x + 9 - 1 = 7.2 - 5x + 10

4.5x + 8 = 7.2 - 5x + 10

3.5x + 8 = 17.2

Subtract 8 from both sides:

3.5x = 9.2

Divide by 3.5 to solve for x:

x = 9.2 / 3.5

x ≈ 2.6286

Therefore, x ≈ 2.6286.

Simplify the equation by distributing:

3(2.4x) - 3(3.5) + 6 = 9.7x - 3

7.2x - 10.5 + 6 = 9.7x - 3

7.2x - 4.5 = 9.7x - 3

Add 4.5 to both sides:

7.2x = 9.7x + 1.5

Subtract 9.7x from both sides:

7.2x - 9.7x = 1.5

-2.5x = 1.5

Divide by -2.5 to solve for x:

x = 1.5 / -2.5

x = -0.6

Therefore, x = -0.6.