What is the answer to 7^2=32^2+2a*100 ?

The answer to 7^2=32^2+2a*100 is a=-39/8

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7^2=32^2+2a*100

7^{2} = 3 2^{2} + 2 a \cdot 100

a = - \frac{39}{8}

Decimal Notation

a = - 4.875

Solution steps

7^{2} = 3 2^{2} + 2 a \cdot 100

Switch sides

3 2^{2} + 2 a \cdot 100 = 7^{2}

Multiply the numbers:

2 \cdot 100 = 200

3 2^{2} + 200 a = 7^{2}

3 2^{2} = 1024

1024 + 200 a = 7^{2}

7^{2} = 49

1024 + 200 a = 49

Move

1024

to the right side

200 a = - 975

Divide both sides by

200

a = - \frac{39}{8}

\frac{4}{5} (2 x - 1) = - 12

4 x - 5 = 43

12.5 = - 1.5 + \frac{b}{0.1}

\frac{x + 3}{2} + \frac{x - 5}{3} = \frac{2 x + 1}{2}

x, x y^{2} + x y - 2 x = 2

What is the answer to 7^2=32^2+2a*100 ?
The answer to 7^2=32^2+2a*100 is a=-39/8
Solve for a: 7^2=32^2+2a*100
The solution is a=-39/8