2(z-9)-(4z-7)=-3z

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Solution for 2(z-9)-(4z-7)=-3z equation:


Simplifying
2(z + -9) + -1(4z + -7) = -3z

Reorder the terms:
2(-9 + z) + -1(4z + -7) = -3z
(-9 * 2 + z * 2) + -1(4z + -7) = -3z
(-18 + 2z) + -1(4z + -7) = -3z

Reorder the terms:
-18 + 2z + -1(-7 + 4z) = -3z
-18 + 2z + (-7 * -1 + 4z * -1) = -3z
-18 + 2z + (7 + -4z) = -3z

Reorder the terms:
-18 + 7 + 2z + -4z = -3z

Combine like terms: -18 + 7 = -11
-11 + 2z + -4z = -3z

Combine like terms: 2z + -4z = -2z
-11 + -2z = -3z

Solving
-11 + -2z = -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.
-11 + -2z + 3z = -3z + 3z

Combine like terms: -2z + 3z = 1z
-11 + 1z = -3z + 3z

Combine like terms: -3z + 3z = 0
-11 + 1z = 0

Add '11' to each side of the equation.
-11 + 11 + 1z = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 1z = 0 + 11
1z = 0 + 11

Combine like terms: 0 + 11 = 11
1z = 11

Divide each side by '1'.
z = 11

Simplifying
z = 11

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