0.4a+3=7

Simple and best practice solution for 0.4a+3=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 0.4a+3=7 equation: 


Simplifying
0.4a + 3 = 7

Reorder the terms:
3 + 0.4a = 7

Solving
3 + 0.4a = 7

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 0.4a = 7 + -3

Combine like terms: 3 + -3 = 0
0 + 0.4a = 7 + -3
0.4a = 7 + -3

Combine like terms: 7 + -3 = 4
0.4a = 4

Divide each side by '0.4'.
a = 10

Simplifying
a = 10

See similar equations:

| -10=2x-2 | | -4x-8y=-8 | | 12+5b=14 | | 0.2x=32 | | 13x+1=11x+7 | | 0.4+3=7 | | 6x-27= | | -12-5b=14 | | 4x+4=344 | | 6x-1=6x+8 | | 3x+(6x-2)=19 | | 3(a+5)-2a=2a+18 | | 4x=x^3 | | -x+14=20 | | 3(5X-9)+9-2X=34 | | 3x+6x-2=19 | | 9p+7s+6p+5-2= | | .4x-.3(60+x)=-.2(60) | | 39-3x=9 | | 20=t-2 | | 7x+6y=-42 | | 25-5x= | | 4(-10+7y)=44 | | 5(a+2)=6+3(2a-1) | | 35+.4m=20+.55m | | 3(x+3)=5(2-x)-2 | | .4x-.3(60+x)=.2(60) | | -3x^2+5=-22 | | 3n+3=2 | | 4(4m-2)=-8m-4+24m-4 | | -10x+-8=-27x+-25 | | 4+9x= |

Equations solver categories