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MArishka [77]
3 years ago
6

Solve for x 9(x+1)=25+x X=2 X=3 X=4 X=5

Mathematics
2 answers:
scoray [572]3 years ago
6 0

Answer:

X=2

Step-by-step explanation:

9(x+1)=25+x

Step 1: Simplify both sides of the equation.

9(x+1)=25+x

(9)(x)+(9)(1)=25+x(Distribute)

9x+9=25+x

9x+9=x+25

Step 2: Subtract x from both sides.

9x+9−x=x+25−x

8x+9=25

Step 3: Subtract 9 from both sides.

8x+9−9=25−9

8x=16

Step 4: Divide both sides by 8.

8x/8=16/8

X=2

zheka24 [161]3 years ago
6 0

Answer:

x = 2

Step-by-step explanation:

The answer to the question above is solved below.

9(x + 1) = 25 + x

Expand the left hand side of the equation by removing the brackets. Thus we have: 9 × x + 9 × 1 as expressed below.

9x + 9 = 25 + x

Collect like term. When collecting like terms, +9 and +x change to -9 and -x. Thus:

9x - x = 25 - 9

8x = 16

To get the value of x, we divide through by the coefficient of x which is 8. Thus:

\frac{8x}{8}  =  \frac{16}{8}

x = 2

Check,

9(x + 1) = 25 + x

9x + 9 = 25 + x

Since x = 2

9(2) + 9 = 25 + 2

18 + 9 = 25 + 2

27 = 27

Therefore, x = 2 is justified to be correct.

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