-6(x-21)+7(x+6)=42(x-5)

Simple and best practice solution for -6(x-21)+7(x+6)=42(x-5) 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 -6(x-21)+7(x+6)=42(x-5) equation:


Simplifying
-6(x + -21) + 7(x + 6) = 42(x + -5)

Reorder the terms:
-6(-21 + x) + 7(x + 6) = 42(x + -5)
(-21 * -6 + x * -6) + 7(x + 6) = 42(x + -5)
(126 + -6x) + 7(x + 6) = 42(x + -5)

Reorder the terms:
126 + -6x + 7(6 + x) = 42(x + -5)
126 + -6x + (6 * 7 + x * 7) = 42(x + -5)
126 + -6x + (42 + 7x) = 42(x + -5)

Reorder the terms:
126 + 42 + -6x + 7x = 42(x + -5)

Combine like terms: 126 + 42 = 168
168 + -6x + 7x = 42(x + -5)

Combine like terms: -6x + 7x = 1x
168 + 1x = 42(x + -5)

Reorder the terms:
168 + 1x = 42(-5 + x)
168 + 1x = (-5 * 42 + x * 42)
168 + 1x = (-210 + 42x)

Solving
168 + 1x = -210 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
168 + 1x + -42x = -210 + 42x + -42x

Combine like terms: 1x + -42x = -41x
168 + -41x = -210 + 42x + -42x

Combine like terms: 42x + -42x = 0
168 + -41x = -210 + 0
168 + -41x = -210

Add '-168' to each side of the equation.
168 + -168 + -41x = -210 + -168

Combine like terms: 168 + -168 = 0
0 + -41x = -210 + -168
-41x = -210 + -168

Combine like terms: -210 + -168 = -378
-41x = -378

Divide each side by '-41'.
x = 9.219512195

Simplifying
x = 9.219512195

See similar equations:

| 2(5x+9)-27= | | 1/2(10x-7)=8 | | 4.5x=22.5 | | 14x^2=(-21x) | | -3Y=-11-4X | | 6x+11=3-2x | | A=P+Prt(t) | | 10(x+3)=-160 | | X^2-3x+9=3x+1 | | x/-4=24 | | x-21/-7+x+6/6=x-5 | | 16x+2+6x+2=180 | | 25=3x-7 | | v=lwh(forl) | | 7(x-8)+16=4(x-7) | | 45x^3+50x^5= | | 3(7w-5)-w=-7+4(5w-2) | | 4x+6+3=18 | | 3(x+8)=11 | | 6(x+8)=-3(3-43) | | y=(x-2)(x^2-4x-8) | | 6=8-2x | | 78.5/6.28 | | 3x+7=x-0 | | -0.60(30)+0.50x=0.20(30+x) | | 28.3/6.28 | | 4x+(x-6)=149 | | h=-16t+96t+4 | | 2(8x+10)=12x+40 | | sin(2x)-sin(4x)=0 | | 6y=17+5y | | 64x^6-49= |

Equations solver categories