-4(z+7)=3z-7

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Solution for -4(z+7)=3z-7 equation:


Simplifying
-4(z + 7) = 3z + -7

Reorder the terms:
-4(7 + z) = 3z + -7
(7 * -4 + z * -4) = 3z + -7
(-28 + -4z) = 3z + -7

Reorder the terms:
-28 + -4z = -7 + 3z

Solving
-28 + -4z = -7 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
-28 + -4z + -3z = -7 + 3z + -3z

Combine like terms: -4z + -3z = -7z
-28 + -7z = -7 + 3z + -3z

Combine like terms: 3z + -3z = 0
-28 + -7z = -7 + 0
-28 + -7z = -7

Add '28' to each side of the equation.
-28 + 28 + -7z = -7 + 28

Combine like terms: -28 + 28 = 0
0 + -7z = -7 + 28
-7z = -7 + 28

Combine like terms: -7 + 28 = 21
-7z = 21

Divide each side by '-7'.
z = -3

Simplifying
z = -3

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