4a+2+5=2a-1

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Solution for 4a+2+5=2a-1 equation:


Simplifying
4a + 2 + 5 = 2a + -1

Reorder the terms:
2 + 5 + 4a = 2a + -1

Combine like terms: 2 + 5 = 7
7 + 4a = 2a + -1

Reorder the terms:
7 + 4a = -1 + 2a

Solving
7 + 4a = -1 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
7 + 4a + -2a = -1 + 2a + -2a

Combine like terms: 4a + -2a = 2a
7 + 2a = -1 + 2a + -2a

Combine like terms: 2a + -2a = 0
7 + 2a = -1 + 0
7 + 2a = -1

Add '-7' to each side of the equation.
7 + -7 + 2a = -1 + -7

Combine like terms: 7 + -7 = 0
0 + 2a = -1 + -7
2a = -1 + -7

Combine like terms: -1 + -7 = -8
2a = -8

Divide each side by '2'.
a = -4

Simplifying
a = -4

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