7(z-7)=3(2+5)

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Solution for 7(z-7)=3(2+5) equation:


Simplifying
7(z + -7) = 3(2 + 5)

Reorder the terms:
7(-7 + z) = 3(2 + 5)
(-7 * 7 + z * 7) = 3(2 + 5)
(-49 + 7z) = 3(2 + 5)

Combine like terms: 2 + 5 = 7
-49 + 7z = 3(7)

Multiply 3 * 7
-49 + 7z = 21

Solving
-49 + 7z = 21

Solving for variable 'z'.

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

Add '49' to each side of the equation.
-49 + 49 + 7z = 21 + 49

Combine like terms: -49 + 49 = 0
0 + 7z = 21 + 49
7z = 21 + 49

Combine like terms: 21 + 49 = 70
7z = 70

Divide each side by '7'.
z = 10

Simplifying
z = 10

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