2e-(e-7)=12

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Solution for 2e-(e-7)=12 equation:


Simplifying
2e + -1(e + -7) = 12

Reorder the terms:
2e + -1(-7 + e) = 12
2e + (-7 * -1 + e * -1) = 12
2e + (7 + -1e) = 12

Reorder the terms:
7 + 2e + -1e = 12

Combine like terms: 2e + -1e = 1e
7 + 1e = 12

Solving
7 + 1e = 12

Solving for variable 'e'.

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

Add '-7' to each side of the equation.
7 + -7 + 1e = 12 + -7

Combine like terms: 7 + -7 = 0
0 + 1e = 12 + -7
1e = 12 + -7

Combine like terms: 12 + -7 = 5
1e = 5

Divide each side by '1'.
e = 5

Simplifying
e = 5

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