7(a-4)=8a+18

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Solution for 7(a-4)=8a+18 equation:


Simplifying
7(a + -4) = 8a + 18

Reorder the terms:
7(-4 + a) = 8a + 18
(-4 * 7 + a * 7) = 8a + 18
(-28 + 7a) = 8a + 18

Reorder the terms:
-28 + 7a = 18 + 8a

Solving
-28 + 7a = 18 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
-28 + 7a + -8a = 18 + 8a + -8a

Combine like terms: 7a + -8a = -1a
-28 + -1a = 18 + 8a + -8a

Combine like terms: 8a + -8a = 0
-28 + -1a = 18 + 0
-28 + -1a = 18

Add '28' to each side of the equation.
-28 + 28 + -1a = 18 + 28

Combine like terms: -28 + 28 = 0
0 + -1a = 18 + 28
-1a = 18 + 28

Combine like terms: 18 + 28 = 46
-1a = 46

Divide each side by '-1'.
a = -46

Simplifying
a = -46

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