7(5+3.5)=a

Solution for 7(5+3.5)=a equation:

Simplifying
7(5 + 3.5) = a

Combine like terms: 5 + 3.5 = 8.5
7(8.5) = a

Multiply 7 * 8.5
59.5 = a

Solving
59.5 = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
59.5 + -1a = a + -1a

Combine like terms: a + -1a = 0
59.5 + -1a = 0

Add '-59.5' to each side of the equation.
59.5 + -59.5 + -1a = 0 + -59.5

Combine like terms: 59.5 + -59.5 = 0.0
0.0 + -1a = 0 + -59.5
-1a = 0 + -59.5

Combine like terms: 0 + -59.5 = -59.5
-1a = -59.5

Divide each side by '-1'.
a = 59.5

Simplifying
a = 59.5