3(x-4.2)=8.7

Simple and best practice solution for 3(x-4.2)=8.7 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 3(x-4.2)=8.7 equation:


Simplifying
3(x + -4.2) = 8.7

Reorder the terms:
3(-4.2 + x) = 8.7
(-4.2 * 3 + x * 3) = 8.7
(-12.6 + 3x) = 8.7

Solving
-12.6 + 3x = 8.7

Solving for variable 'x'.

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

Add '12.6' to each side of the equation.
-12.6 + 12.6 + 3x = 8.7 + 12.6

Combine like terms: -12.6 + 12.6 = 0.0
0.0 + 3x = 8.7 + 12.6
3x = 8.7 + 12.6

Combine like terms: 8.7 + 12.6 = 21.3
3x = 21.3

Divide each side by '3'.
x = 7.1

Simplifying
x = 7.1

See similar equations:

| X-44=21 | | 5x^5+3x^4+17=0 | | 44=-3(4x-4)-4 | | 10-4y=2(y+26) | | 8x+8.04=4x+14 | | -4.9x^2-8x+30=0 | | (2+3i)+(6-5i)= | | 5x^5+3x^4=0 | | 9x+6.98=3x+14 | | 3(-1x-2)=5(2x+9) | | 5n-5=-3(n-9) | | 13x^4+2x^3= | | -4.8x+2.1=-21.9 | | 3n+3=2(n+8) | | y+6=2x+11 | | 9=(4x^2)+y^2 | | 10=5/4(x=y) | | 4.5x=-27.45 | | 9(n+1)=6(n+5) | | (v+2)*(9v-8)=0 | | 81x^2+90x=21 | | 4x-3-1x=1x-5 | | x-2=3.75 | | 30x-26=15x-12 | | 25-7b=4b-1 | | 3-2.25= | | 4c+5=63-2(x+8) | | 3.00*0.75= | | 6n+6=4(n+1) | | -3y=189 | | 2/3x-3=-4 | | 3-2.4= |

Equations solver categories