Solve each system using substitution
1.y=2x+19
y=x+7
2.x+2y=-7
x+y+23
3.x+5y=2
x=-4y+5
4.3x+y=9
y=-5x+9
show work plz
here are some steps to you
step 1: solve one of the equations for either x = or y = .step 2: substitute the solution from step 1 into the other equation.step 3: solve this new equation.step 4: solve for the second variable.example 1: solve the following system by substitutionsolution: step 1: solve one of the equations for either x = or y = . we will solve second equation for y.step 2: substitute the solution from step 1 into the second equation.step 3: solve this new equation.