15(-7)-8(-7)+7=-42

Simple and best practice solution for 15(-7)-8(-7)+7=-42 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 15(-7)-8(-7)+7=-42 equation:


Simplifying
15(-7) + -8(-7) + 7 = -42

Multiply 15 * -7
-105 + -8(-7) + 7 = -42

Multiply -8 * -7
-105 + 56 + 7 = -42

Combine like terms: -105 + 56 = -49
-49 + 7 = -42

Combine like terms: -49 + 7 = -42
-42 = -42

Add '42' to each side of the equation.
-42 + 42 = -42 + 42

Combine like terms: -42 + 42 = 0
0 = -42 + 42

Combine like terms: -42 + 42 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

See similar equations:

| 85+2n=197 | | -7x+7y=28 | | 10y+(7-y)*1=10(7-y)+y*1-9 | | ln(8-x^2)=0 | | 12-7(x-9)=75+5x | | -8(6b+7)=31+4b | | 5(x-9)=75+5x | | (x+240)+25=(x+25) | | t-3u+5=vt | | 27x+6+11+5=360 | | 1,350/75 | | t-3u+5=vfort | | 2,000/32 | | 1/3d-12 | | 3x-48=168+x | | 4v+5(v+2)=28 | | x^2+6r+10=0 | | (2x-5)(2x+5)-119=0 | | -30=7(w-5)-2w | | X^2-4x-10=12 | | xsquared+6x-16=0 | | 2(y+3)-5y=-6 | | 22(x)=3x^2-4x+2 | | 2y=-1x+16 | | 16sec^2x-25=0 | | n+3n=23 | | 50a+2b=5a-2b | | (2x-1)(3x+6)=0 | | 50*4+2= | | 2400/p=300-6p | | f(-2)=3x^2-4x+2 | | k+8/2=4 |

Equations solver categories