2a+7=-5a+28

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Solution for 2a+7=-5a+28 equation:


Simplifying
2a + 7 = -5a + 28

Reorder the terms:
7 + 2a = -5a + 28

Reorder the terms:
7 + 2a = 28 + -5a

Solving
7 + 2a = 28 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
7 + 2a + 5a = 28 + -5a + 5a

Combine like terms: 2a + 5a = 7a
7 + 7a = 28 + -5a + 5a

Combine like terms: -5a + 5a = 0
7 + 7a = 28 + 0
7 + 7a = 28

Add '-7' to each side of the equation.
7 + -7 + 7a = 28 + -7

Combine like terms: 7 + -7 = 0
0 + 7a = 28 + -7
7a = 28 + -7

Combine like terms: 28 + -7 = 21
7a = 21

Divide each side by '7'.
a = 3

Simplifying
a = 3

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