-105=3x-3(5x+7)

Simple and best practice solution for -105=3x-3(5x+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 -105=3x-3(5x+7) equation:


Simplifying
-105 = 3x + -3(5x + 7)

Reorder the terms:
-105 = 3x + -3(7 + 5x)
-105 = 3x + (7 * -3 + 5x * -3)
-105 = 3x + (-21 + -15x)

Reorder the terms:
-105 = -21 + 3x + -15x

Combine like terms: 3x + -15x = -12x
-105 = -21 + -12x

Solving
-105 = -21 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
-105 + 12x = -21 + -12x + 12x

Combine like terms: -12x + 12x = 0
-105 + 12x = -21 + 0
-105 + 12x = -21

Add '105' to each side of the equation.
-105 + 105 + 12x = -21 + 105

Combine like terms: -105 + 105 = 0
0 + 12x = -21 + 105
12x = -21 + 105

Combine like terms: -21 + 105 = 84
12x = 84

Divide each side by '12'.
x = 7

Simplifying
x = 7

See similar equations:

| h-12=29 | | 10x+42=x-3 | | 4(-3+x)=-40 | | -7x+12=4x+89 | | 5t=38 | | 22t+1/3=15 | | 2/5(k+1)=2 | | h(t)=-16t^2+32t+h | | a+15=38 | | S=tuv | | 4-(x)=x^2-6 | | x-64=16-4x | | 5k(k-2)=10(3k+9) | | -2f+6=4-3f-2 | | 9w^2-12w+4= | | Q+4r=12 | | -25=2a | | x-(-5)=-6 | | 10+8x=58 | | 22x+2=22 | | 5=6X-X^2 | | 3=11x-3 | | 1200x+2=1222 | | ln(x)+ln(5)+1=0 | | 5=6x*x^2 | | -14w=42 | | 3-(y-5)=18 | | -49-x=26-6x | | (8x^2y-4xy+3xy^2)-(7x^2y+2xy+2xy^2)=0 | | xln(5x)=0 | | 10=6+4x | | Q=rst |

Equations solver categories