-7=7(a-3)

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Solution for -7=7(a-3) equation:


Simplifying
-7 = 7(a + -3)

Reorder the terms:
-7 = 7(-3 + a)
-7 = (-3 * 7 + a * 7)
-7 = (-21 + 7a)

Solving
-7 = -21 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-7 + -7a = -21 + 7a + -7a

Combine like terms: 7a + -7a = 0
-7 + -7a = -21 + 0
-7 + -7a = -21

Add '7' to each side of the equation.
-7 + 7 + -7a = -21 + 7

Combine like terms: -7 + 7 = 0
0 + -7a = -21 + 7
-7a = -21 + 7

Combine like terms: -21 + 7 = -14
-7a = -14

Divide each side by '-7'.
a = 2

Simplifying
a = 2

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