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Simplifying -1 = 0.9 * -2 + b Multiply 0.9 * -2 -1 = -1.8 + b Solving -1 = -1.8 + b Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-1b' to each side of the equation. -1 + -1b = -1.8 + b + -1b Combine like terms: b + -1b = 0 -1 + -1b = -1.8 + 0 -1 + -1b = -1.8 Add '1' to each side of the equation. -1 + 1 + -1b = -1.8 + 1 Combine like terms: -1 + 1 = 0 0 + -1b = -1.8 + 1 -1b = -1.8 + 1 Combine like terms: -1.8 + 1 = -0.8 -1b = -0.8 Divide each side by '-1'. b = 0.8 Simplifying b = 0.8
| 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456 | | 5(2+x)=2(x+9)-5x | | 3*n=81 | | 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456 | | m=4+2m | | 0.5x+5y+10z=1000 | | 4x-30=3x-5 | | 10=.0642x | | n*81=3 | | 0.125z=3 | | 0.375-0.3+6=0.16 | | n-5=24 | | -7p-7=-8p | | 2=2(s-18) | | 72-y=225 | | -3y+4x-3=0 | | 17+8x=3x+62 | | 350=y+.75y | | -5=3*0+b | | 3d+1d-4d+4d=20 | | 2x-24=x-2 | | 2y=-5+y | | -9(v+3)=36 | | 2g-1g+1g+1g-2g=10 | | -4x^2-6x-10=0 | | 2=2(q-8) | | z^2(-1-4i)z(5+5i)=0 | | 0=-1.5*2+b | | 8=2(f-5) | | 151+n=837 | | -12w=-24 | | h=2a+72 |