4(8+3)-7=6a-21

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Solution for 4(8+3)-7=6a-21 equation:


Simplifying
4(8 + 3) + -7 = 6a + -21

Combine like terms: 8 + 3 = 11
4(11) + -7 = 6a + -21

Multiply 4 * 11
44 + -7 = 6a + -21

Combine like terms: 44 + -7 = 37
37 = 6a + -21

Reorder the terms:
37 = -21 + 6a

Solving
37 = -21 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
37 + -6a = -21 + 6a + -6a

Combine like terms: 6a + -6a = 0
37 + -6a = -21 + 0
37 + -6a = -21

Add '-37' to each side of the equation.
37 + -37 + -6a = -21 + -37

Combine like terms: 37 + -37 = 0
0 + -6a = -21 + -37
-6a = -21 + -37

Combine like terms: -21 + -37 = -58
-6a = -58

Divide each side by '-6'.
a = 9.666666667

Simplifying
a = 9.666666667

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