-2e+4(5e-2)=7

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Solution for -2e+4(5e-2)=7 equation:


Simplifying
-2e + 4(5e + -2) = 7

Reorder the terms:
-2e + 4(-2 + 5e) = 7
-2e + (-2 * 4 + 5e * 4) = 7
-2e + (-8 + 20e) = 7

Reorder the terms:
-8 + -2e + 20e = 7

Combine like terms: -2e + 20e = 18e
-8 + 18e = 7

Solving
-8 + 18e = 7

Solving for variable 'e'.

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

Add '8' to each side of the equation.
-8 + 8 + 18e = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 18e = 7 + 8
18e = 7 + 8

Combine like terms: 7 + 8 = 15
18e = 15

Divide each side by '18'.
e = 0.8333333333

Simplifying
e = 0.8333333333

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