7+4(2a+15)=(-13)

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Solution for 7+4(2a+15)=(-13) equation:


Simplifying
7 + 4(2a + 15) = (-13)

Reorder the terms:
7 + 4(15 + 2a) = (-13)
7 + (15 * 4 + 2a * 4) = (-13)
7 + (60 + 8a) = (-13)

Combine like terms: 7 + 60 = 67
67 + 8a = (-13)
67 + 8a = -13

Solving
67 + 8a = -13

Solving for variable 'a'.

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

Add '-67' to each side of the equation.
67 + -67 + 8a = -13 + -67

Combine like terms: 67 + -67 = 0
0 + 8a = -13 + -67
8a = -13 + -67

Combine like terms: -13 + -67 = -80
8a = -80

Divide each side by '8'.
a = -10

Simplifying
a = -10

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