2(3z-7)-5(z-3)=-9

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Solution for 2(3z-7)-5(z-3)=-9 equation:


Simplifying
2(3z + -7) + -5(z + -3) = -9

Reorder the terms:
2(-7 + 3z) + -5(z + -3) = -9
(-7 * 2 + 3z * 2) + -5(z + -3) = -9
(-14 + 6z) + -5(z + -3) = -9

Reorder the terms:
-14 + 6z + -5(-3 + z) = -9
-14 + 6z + (-3 * -5 + z * -5) = -9
-14 + 6z + (15 + -5z) = -9

Reorder the terms:
-14 + 15 + 6z + -5z = -9

Combine like terms: -14 + 15 = 1
1 + 6z + -5z = -9

Combine like terms: 6z + -5z = 1z
1 + 1z = -9

Solving
1 + 1z = -9

Solving for variable 'z'.

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

Add '-1' to each side of the equation.
1 + -1 + 1z = -9 + -1

Combine like terms: 1 + -1 = 0
0 + 1z = -9 + -1
1z = -9 + -1

Combine like terms: -9 + -1 = -10
1z = -10

Divide each side by '1'.
z = -10

Simplifying
z = -10

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