2e+18(0.30)=7e+15(0.30)

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Solution for 2e+18(0.30)=7e+15(0.30) equation:


Simplifying
2e + 18(0.30) = 7e + 15(0.30)

Multiply 18 * 0.30
2e + 5.4 = 7e + 15(0.30)

Reorder the terms:
5.4 + 2e = 7e + 15(0.30)

Multiply 15 * 0.30
5.4 + 2e = 7e + 4.5

Reorder the terms:
5.4 + 2e = 4.5 + 7e

Solving
5.4 + 2e = 4.5 + 7e

Solving for variable 'e'.

Move all terms containing e to the left, all other terms to the right.

Add '-7e' to each side of the equation.
5.4 + 2e + -7e = 4.5 + 7e + -7e

Combine like terms: 2e + -7e = -5e
5.4 + -5e = 4.5 + 7e + -7e

Combine like terms: 7e + -7e = 0
5.4 + -5e = 4.5 + 0
5.4 + -5e = 4.5

Add '-5.4' to each side of the equation.
5.4 + -5.4 + -5e = 4.5 + -5.4

Combine like terms: 5.4 + -5.4 = 0.0
0.0 + -5e = 4.5 + -5.4
-5e = 4.5 + -5.4

Combine like terms: 4.5 + -5.4 = -0.9
-5e = -0.9

Divide each side by '-5'.
e = 0.18

Simplifying
e = 0.18

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