-18+7a=2a+3+4

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Solution for -18+7a=2a+3+4 equation:


Simplifying
-18 + 7a = 2a + 3 + 4

Reorder the terms:
-18 + 7a = 3 + 4 + 2a

Combine like terms: 3 + 4 = 7
-18 + 7a = 7 + 2a

Solving
-18 + 7a = 7 + 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.
-18 + 7a + -2a = 7 + 2a + -2a

Combine like terms: 7a + -2a = 5a
-18 + 5a = 7 + 2a + -2a

Combine like terms: 2a + -2a = 0
-18 + 5a = 7 + 0
-18 + 5a = 7

Add '18' to each side of the equation.
-18 + 18 + 5a = 7 + 18

Combine like terms: -18 + 18 = 0
0 + 5a = 7 + 18
5a = 7 + 18

Combine like terms: 7 + 18 = 25
5a = 25

Divide each side by '5'.
a = 5

Simplifying
a = 5

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