-2.1(.3b+2.4)+1.7(2.1-1.3b)=7.05

Simple and best practice solution for -2.1(.3b+2.4)+1.7(2.1-1.3b)=7.05 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 -2.1(.3b+2.4)+1.7(2.1-1.3b)=7.05 equation: 


Simplifying
-2.1(0.3b + 2.4) + 1.7(2.1 + -1.3b) = 7.05

Reorder the terms:
-2.1(2.4 + 0.3b) + 1.7(2.1 + -1.3b) = 7.05
(2.4 * -2.1 + 0.3b * -2.1) + 1.7(2.1 + -1.3b) = 7.05
(-5.04 + -0.63b) + 1.7(2.1 + -1.3b) = 7.05
-5.04 + -0.63b + (2.1 * 1.7 + -1.3b * 1.7) = 7.05
-5.04 + -0.63b + (3.57 + -2.21b) = 7.05

Reorder the terms:
-5.04 + 3.57 + -0.63b + -2.21b = 7.05

Combine like terms: -5.04 + 3.57 = -1.47
-1.47 + -0.63b + -2.21b = 7.05

Combine like terms: -0.63b + -2.21b = -2.84b
-1.47 + -2.84b = 7.05

Solving
-1.47 + -2.84b = 7.05

Solving for variable 'b'.

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

Add '1.47' to each side of the equation.
-1.47 + 1.47 + -2.84b = 7.05 + 1.47

Combine like terms: -1.47 + 1.47 = 0.00
0.00 + -2.84b = 7.05 + 1.47
-2.84b = 7.05 + 1.47

Combine like terms: 7.05 + 1.47 = 8.52
-2.84b = 8.52

Divide each side by '-2.84'.
b = -3

Simplifying
b = -3

See similar equations:

| 3x(4x+1)-5y=2-7x | | 2(bc)=2(cb) | | 2x-3y+5= | | -5x+1-6x-34=51+3x | | 4[-5n-6]=-104 | | X+9/7=15 | | 4(x+9)=9x+9-5x+27 | | 3a+4=28+a | | 20x^2-13x=15 | | 2x+28-7x+22=14+7x | | 45-15(6m+2)=6 | | y*2-5y+6=0 | | 4x=5y-73 | | 6x-20=8x-10 | | 6(6x-6)=7x+5(x+8) | | 15=2 | | 2+2(3x-6)=7-5(2x+1) | | ln(4x-4)-ln(5x+1)=4 | | -2(3+5v)=-20-8v | | 3/4k=-21 | | 4708=308(x) | | 5a+3-3a= | | 6x+10-x-4=42-4x | | -3b+7=15+2b | | 2[t-(2t+15)+10]=2(t+5) | | 1/2x+5=84/5 | | 24x+17y-c=d | | 8h+4-9=11 | | -4(x+3)=2x+18 | | 11x=18-3(5-2x) | | h=-0.2d^2+2d | | 6(6b+5)-4(1+6b)=62 |

Equations solver categories