-4+9(7z-4)=2(8z-9)-7

Simple and best practice solution for -4+9(7z-4)=2(8z-9)-7 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -4+9(7z-4)=2(8z-9)-7 equation:


Simplifying
-4 + 9(7z + -4) = 2(8z + -9) + -7

Reorder the terms:
-4 + 9(-4 + 7z) = 2(8z + -9) + -7
-4 + (-4 * 9 + 7z * 9) = 2(8z + -9) + -7
-4 + (-36 + 63z) = 2(8z + -9) + -7

Combine like terms: -4 + -36 = -40
-40 + 63z = 2(8z + -9) + -7

Reorder the terms:
-40 + 63z = 2(-9 + 8z) + -7
-40 + 63z = (-9 * 2 + 8z * 2) + -7
-40 + 63z = (-18 + 16z) + -7

Reorder the terms:
-40 + 63z = -18 + -7 + 16z

Combine like terms: -18 + -7 = -25
-40 + 63z = -25 + 16z

Solving
-40 + 63z = -25 + 16z

Solving for variable 'z'.

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

Add '-16z' to each side of the equation.
-40 + 63z + -16z = -25 + 16z + -16z

Combine like terms: 63z + -16z = 47z
-40 + 47z = -25 + 16z + -16z

Combine like terms: 16z + -16z = 0
-40 + 47z = -25 + 0
-40 + 47z = -25

Add '40' to each side of the equation.
-40 + 40 + 47z = -25 + 40

Combine like terms: -40 + 40 = 0
0 + 47z = -25 + 40
47z = -25 + 40

Combine like terms: -25 + 40 = 15
47z = 15

Divide each side by '47'.
z = 0.3191489362

Simplifying
z = 0.3191489362

See similar equations:

| 20x=-360 | | 12x+10x-38+17x-70=360 | | 10x-32=2x | | -3/2x-1=-1 | | 9x+72=1 | | Y=8+3x | | 3x/x-1=y | | 9x+3x+21+3x+24+13x-77=360 | | 5w+9=4+7w | | 5+91x=39x+37 | | w^2=9(w-4) | | 3x+82+x+98=360 | | x-0.4=2 | | 6-2(x+1)=2-3x | | 888888888888889+888888x+8787x+989865678987659(9865579744)+(86550+75678)=76558x+0987654567890(8654567+09890) | | x+73+x+67+2x=360 | | -24X^6-8x^5= | | F(x)=x^2-12x-36 | | 888888888888889+888888x+8787x+989865678987659(9865579744)+(86550+75678)= | | n^4+5n^3+3n+40= | | 5y-3=-4y+37+y | | 12y+11=83 | | -(5x-3)+3x-5=-2 | | 5-2.5y=12.5x | | 4x^2+8xy+10x= | | 4x^4-3x^3+8x-2=0 | | x+(-6.9)=-2.9 | | h(x^2-8x+16)=128 | | (8x^4-x)=0 | | (14x-3)=(10x+33) | | 2x^2-x+54=90 | | -16t^2+32t+48=48 |

Equations solver categories