7e^3x=21

Simple and best practice solution for 7e^3x=21 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 7e^3x=21 equation:


Simplifying
7e3x = 21

Solving
7e3x = 21

Solving for variable 'e'.

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

Divide each side by '7x'.
e3 = 3x-1

Simplifying
e3 = 3x-1

Combine like terms: 3x-1 + -3x-1 = 0
e3 + -3x-1 = 0

Factor out the Greatest Common Factor (GCF), 'x-1'.
x-1(e3x + -3) = 0

Subproblem 1

Set the factor 'x-1' equal to zero and attempt to solve: Simplifying x-1 = 0 Solving x-1 = 0 Move all terms containing e to the left, all other terms to the right. Add '-1x-1' to each side of the equation. x-1 + -1x-1 = 0 + -1x-1 Remove the zero: 0 = -1x-1 Simplifying 0 = -1x-1 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(e3x + -3)' equal to zero and attempt to solve: Simplifying e3x + -3 = 0 Reorder the terms: -3 + e3x = 0 Solving -3 + e3x = 0 Move all terms containing e to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + e3x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + e3x = 0 + 3 e3x = 0 + 3 Combine like terms: 0 + 3 = 3 e3x = 3 Divide each side by 'x'. e3 = 3x-1 Simplifying e3 = 3x-1 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 5y-3x=12 | | -3x+5x+6(x+1)=-2x+3 | | .20x+.05(6-x)=.1(-3) | | .20x+.05x(6-x)=.1(-3) | | 2(x-5)+7=53 | | 12q-3=2q+1 | | 9x-2-4x=x+5+x | | 9y+17=6y-4 | | 10x-2(3x+5)=6 | | 15=2t-11 | | -5=15-2h | | s^2-4s+5=0 | | -5=13+2u | | 4(x+4)+14=54 | | -4n+8=-8 | | 4y-5(16-4y)+8=0 | | (3xy)3= | | X(2+7)=36 | | 4y-5(16+-4y)+8=0 | | -8(x-5)=24 | | 3u+1=10 | | 3(x+4)=123 | | 2x^2+42x+250=0 | | 12y+3x=48 | | 20a=2.5 | | 4y-5x+8=0 | | 3 u+ 1= 10 | | 6(x+4)=36 | | 4y-80-20y+8=0 | | 8(x+9)+6=126 | | 9=g+7 | | -7(x-3)=7 |

Equations solver categories